CN108389640A - A kind of full-automatic shielding transfer door - Google Patents
A kind of full-automatic shielding transfer door Download PDFInfo
- Publication number
- CN108389640A CN108389640A CN201810101433.4A CN201810101433A CN108389640A CN 108389640 A CN108389640 A CN 108389640A CN 201810101433 A CN201810101433 A CN 201810101433A CN 108389640 A CN108389640 A CN 108389640A
- Authority
- CN
- China
- Prior art keywords
- door
- hole
- revolving door
- transfer
- transfer door
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F7/00—Shielded cells or rooms
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention provides a kind of full-automatic shielding transfer door,For will be transported in hot cell outside material self-heating room,The first through hole being connected to outside hot cell is wherein offered on shielding slab in the horizontal direction,The inside of front stall and back seat is formed with the cavity to match with the shape of revolving door,And side of the front stall outside hot cell offers the entrance being connected to respectively with the cavity and first through hole,Back seat close to the indoor side of heat offer respectively with the outlet that is connected in the cavity and hot cell,Revolving door is arranged in the cavity,Offer the second through-hole in the horizontal direction thereon,And first through hole,Entrance,Second through-hole and outlet can be sequentially communicated and form a channel,Transmission mechanism is for driving revolving door to be freely rotated in the cavity around its vertical axes,To make the second through-hole on revolving door be connected to or be staggered with the entrance and exit before and after it,To be turned on and off the transfer door.Transfer door of the present invention not only can ensure that personnel's radiation safety, but also can realize that whole-course automation operates.
Description
Technical field
The present invention relates to nuclear fuel reprocessing technology fields, and in particular to one kind outside material self-heating room for will be transported to heat
Indoor full-automatic shielding transfer door.
Background technology
In nuclear fuel aftertreatment technology, radioactivity material need according to specific technological process in corresponding hot cell into
Row processing, processing.Radioactivity material can be put into first in special shielding transfer container, then transported by hot cell transfer door
In hot cell.
Hot cell is the shielding space for carrying out high radioactivity experiment and operation, inside needs to be transferred to a large amount of radioactive substance,
Have compared with intense radiation.In order to realize that the safety of radioactivity material is transferred to, the design of hot cell transfer door is particularly important.However,
There is also clearly disadvantageous in terms of safety and operation automation for existing hot cell transfer door.
Invention content
The technical problem to be solved by the present invention is to for the drawbacks described above in the presence of the prior art, providing one kind can
Ensure personnel's radiation safety, and can realize the full-automatic shielding transfer door of whole-course automation operation.
Technical solution is used by solving present invention problem：
The present invention provides a kind of full-automatic shielding transfer door, for will be transported in hot cell outside material self-heating room, described turn
It includes shielding slab, front stall, back seat, revolving door and transmission mechanism to transport door, and the shielding slab, front stall and back seat are embedded in hot cell wall
It is interior, and be arranged in order to the indoor direction of heat outside hot cell, it offers on the shielding slab and is connected to outside hot cell in the horizontal direction
First through hole, the inside of the front stall and back seat is formed with the cavity to match with the shape of revolving door, and front stall is close to hot cell
Outer side offers the entrance being connected to respectively with the cavity and first through hole, and back seat offers point close to the indoor side of heat
Not with the outlet that is connected in the cavity and hot cell, the revolving door is arranged in the cavity, offers in the horizontal direction thereon
Second through-hole, and first through hole, entrance, the second through-hole and outlet can be sequentially communicated and form a channel, the driver
Structure is connect after sequentially passing through shielding slab and front stall with the top of revolving door or bottom end, for driving revolving door around its vertical axes in the sky
Intracavitary is freely rotated, to make the second through-hole on revolving door be connected to or be staggered with the entrance and exit before and after it, to open or close
Close the transfer door.
Optionally, the shielding slab uses shell type structure, and radiation proof material is perfused in shell.
Optionally, the transfer door further includes the upper spindle nose for being embedded in revolving door top and the lower axle for being embedded in revolving door bottom end
Head, the upper spindle nose are cased with upper bearing (metal) outside, and the lower spindle nose housing has lower bearing, the transmission mechanism and upper spindle nose or lower spindle nose
Connection.
Optionally, the top of the front stall and back seat contact position position corresponding with upper spindle nose offers third through-hole, institute
It further includes the top plug that can be inserted into from outside to inside in third through-hole to state transfer door；
Position corresponding with lower spindle nose offers fourth hole, the transhipment on the bottom of the front stall and back seat contact position
Door further includes the lower plug that can be inserted into from outside to inside in fourth hole.
Optionally, the revolving door uses stepped cylindrical structure, upper part be in from top to bottom it is successively incremental ladder-like, under
Portion is also in successively incremental ladder-like from the bottom to top；The front stall is with the cavity inside back seat using the shape phase with the revolving door
Matched hierarchic structure.
Optionally, the transfer door further includes the forward flange disk for the entrance side for being connected to front stall, is connected to the outlet of back seat
The rear stub of side, and connect with rear stub and horizontal-extending into hot cell take over.
Optionally, the transfer door further includes being arranged in the second through-hole of revolving door and the inner cylinder of both ends open, and inner cylinder
Outer wall be bonded with the hole wall of the second through-hole；The revolving door uses shell type structure, and lead is perfused in shell.
Optionally, the transmission mechanism includes motor, worm gear and worm screw, the shaft of the worm gear and the top of revolving door or bottom
End connection, the worm and wheel matches, and the axis connection of the end of worm screw and motor.
Optionally, the transfer door further includes the encoder that revolution is rotated for controlling motor.
Optionally, the transfer door further includes mechanical position limitation mechanism comprising is opened in the outer surface of revolving door and along its week
To extend one third to half perimeter limiting groove, and with the matched spacer pin of the limiting groove, the limit
Position pin is inserted into limiting groove, to when encoder breaks down, the second through-hole on revolving door with before and after it entrance and go out
Mouth carries out mechanical position limitation after being connected to/being staggered to revolving door, to ensure correct unlatching/closing of transfer door.
Optionally, the transfer door further includes being inserted into the first through hole of shielding slab from outside to inside, and can
The sealing-plug extracted out of this first through hole.
Advantageous effect：
In full-automatic shielding transfer door of the present invention, the shielding slab outside hot cell can meet corresponding radiation protection
It is required that；Moreover, under the driving of Worm and worm-wheel gearing, revolving door can rotate in the cavity inside front stall and back seat, from
And realize the automatic opening of transfer door and be automatically closed, it is easy to operate, ensure that personnel's radiation safety, and structure type letter
It is single, ingenious, save space.
Description of the drawings
Fig. 1 is the full-automatic schematic cross-section shielded when transfer door is in open state provided in an embodiment of the present invention；
Fig. 2 is the full-automatic schematic cross-section shielded when transfer door is in closed state provided in an embodiment of the present invention；
Fig. 3 is the full-automatic three dimensional structure diagram shielded when transfer door is in closed state provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of transmission mechanism provided in an embodiment of the present invention；
Fig. 5 is one of the schematic diagram that mechanical position limitation mechanism is provided on revolving door provided in an embodiment of the present invention；
Fig. 6 is the two of the schematic diagram that mechanical position limitation mechanism is provided on revolving door provided in an embodiment of the present invention.
In figure：1- sealing-plugs；2- forward flange disks；3- shielding slabs；4- front stalls；5
Revolving door；6- top plugs；7- upper bearing (metal)s；8- back seats；The upper spindle noses of 9-；10- rear stubs；11- takes over；12-
Inner cylinder；13- lower bearings；Spindle nose under 14-；15- worm gears；It is filled under 16-；17- worm screws；18- spacer pins；19- motors；
20- limiting grooves.
Specific implementation mode
To make those skilled in the art more fully understand technical scheme of the present invention, with reference to the accompanying drawings and examples to this
Invention is described in further detail.
The present invention provides a kind of full-automatic shielding transfer door, for by material, such as radioactivity material, transport outside self-heating room
To hot cell.The hot cell can be applied to nuclear industry field, can also be applied to the field that other needs transmit dangerous material.
Due to containing a large amount of radioactive substance in hot cell, have compared with intense radiation, these particularity make in design hot cell
It needs to consider the following when transfer door：Hot internal ambience does not pollute external environment in order to control, and hot cell transfer door is needed to have one
Determine sealing function；To ensure the safety of personnel, it need to ensure the function of shielding of hot cell transfer door；Meanwhile being easy to operate, safety,
Need to realize that the whole-course automation of transfer door operates.Now be directed to the leakproofness of hot cell transfer door, safety, operation automation and
The problems such as space layout, proposes a kind of full-automatic shielding hot cell transfer door.
Specifically, as shown in Figure 1 to Figure 3, the transfer door includes shielding slab 3, front stall 4, back seat 8, revolving door 5 and worm gear snail
Bar transmission mechanism.The shielding slab 3, front stall
4 and back seat 8 be embedded in the wall of hot cell, and be arranged in order to the indoor direction of heat outside hot cell.The shielding
Block 3 is offered be connected to outside hot cell thereon in the horizontal direction using disclosure satisfy that the material of hot cell radiation protection requirement is made
First through hole.The inside of the front stall 4 and back seat 8 is formed with the cavity to match with the shape of revolving door 5, and front stall 4 leans on near-thermal
Outdoor side offers the entrance being connected to respectively with the cavity and first through hole, and back seat 8 is opened up close to the indoor side of heat
Have respectively with the outlet that is connected in the cavity and hot cell.The revolving door 5 is arranged in the cavity, opens in the horizontal direction thereon
Equipped with the second through-hole, and first through hole, entrance, the second through-hole and outlet can be sequentially communicated and form a channel, the channel
As radioactivity material access way is used for the disengaging of radioactivity material.The Worm and worm-wheel gearing sequentially passes through shielding
It connect and (can also be connect with the top of revolving door 5) with the bottom end of revolving door 5 after block 3 and front stall 4, for driving revolving door 5 vertical around it
Axis is freely rotated in the cavity, to make the second through-hole on revolving door 5 be connected to or be staggered with the entrance and exit before and after it,
To be turned on and off the transfer door.In other words, when the second through-hole on revolving door 5 is connected to the entrance and exit before and after it, the
One through-hole, entrance, the second through-hole and outlet are sequentially communicated and are formed radioactivity material access way, and transfer door is opened, specifically such as
Shown in Fig. 1；When the second through-hole on revolving door 5 is staggered with the entrance and exit before and after it, radioactivity material access way disconnects, and turns
It transports door to close, specifically as shown in Fig. 2, to realize the open and close of transfer door.
More preferably, the shielding slab 3 uses shell type structure, and radiation proof material is perfused in shell.Specifically, shielding slab 3
Can be according to hot cell internal source difference, and different materials is perfused, to meet radiation protection requirement.
As depicted in figs. 1 and 2, the transfer door further includes sealing-plug 1, can be inserted into shielding slab 3 from outside to inside
In first through hole, and extracted out of this first through hole, accordingly, due to provided with sealing-plug 1, so first through hole can also claim
For consent.Sealing-plug 1 ensure that hot internal ambience is isolated with extraneous under normal conditions.
The transfer door further includes the upper spindle nose 9 for being embedded in 5 top of revolving door and the lower spindle nose 14 for being embedded in 5 bottom end of revolving door,
It is cased with upper bearing (metal) 7 outside the upper spindle nose 9, lower bearing 13 is cased with outside the lower spindle nose 14, the Worm and worm-wheel gearing is under
Spindle nose 14 connects (can also be connect with upper spindle nose 9).
The top position corresponding with upper spindle nose 9 of 8 contact position of the front stall 4 and back seat offers third through-hole, described turn
It further includes the top plug 6 that can be inserted into from outside to inside in third through-hole to transport door；On the bottom of 8 contact position of the front stall 4 and back seat
Position corresponding with lower spindle nose 14 offers fourth hole, and the transfer door further includes that can be inserted into fourth hole from outside to inside
Interior lower plug 16.
In the present embodiment, sealing-plug 1, top plug 6 and lower plug 16 can be made to be used cooperatively rubber sheet gasket, to be better achieved pair
Effective sealing of hot internal ambience.
As depicted in figs. 1 and 2, it is in from top to bottom successively incremental rank that the revolving door 5, which uses stepped cylindrical structure, upper part,
Scalariform, its underpart are also in successively incremental ladder-like from the bottom to top；Correspondingly, the front stall 4 is used with the cavity inside back seat 8
The hierarchic structure to match with the shape of the revolving door 5, to realize that revolving door is freely rotated in the cavity inside front stall and back seat,
Space is maximally utilized.
The transfer door further includes the forward flange disk 2 for the entrance side for being connected to front stall 4, is connected to the outlet side of back seat 8
Rear stub 10, and connect with rear stub 10 and the horizontal-extending take over 11 into hot cell.The take over 11 with it is described go out
Mouth connection, for extending the radioactivity material access way into hot cell.
To avoid radioactivity material from polluting revolving door, more preferably, the transfer door further includes the second through-hole being arranged in revolving door 5
Interior and both ends open inner cylinder 12, and the outer wall of inner cylinder 12 is bonded with the hole wall of the second through-hole；The revolving door 5 also uses shell-type knot
Structure, and lead is perfused in shell, to play the role of shielding protection.
As shown in figure 4, the Worm and worm-wheel gearing includes motor 19, worm gear 15 and worm screw 17, the worm gear 15
Shaft connect with 5 bottom end of revolving door and (can also be connect with the top of revolving door 5), specially with the lower spindle nose that is embedded in 5 bottom end of revolving door
14 connections (can also be connect with the upper spindle nose 9 for being embedded in 5 top of revolving door), the worm screw 17 matches with worm gear 15, and worm screw
The axis connection of 17 end and motor 19.Specifically, motor 19 drives worm screw 17 to rotate, and worm screw 17 matches drive with worm gear 15
Lower spindle nose 14 rotates, to drive revolving door 5 to rotate.
It should be noted that being illustrated by taking Worm and worm-wheel gearing as an example in the present embodiment, in practical application, also
Other kinds of transmission mechanism, such as gear drive may be used, only need that revolving door 5 can be driven to rotate, the present invention
The concrete structure of transmission mechanism is not restricted.
Further, the transfer door further includes the encoder that revolution is rotated for controlling motor 19.Specifically, using volume
The revolution that code device control motor 19 rotates, to control the rotation angle of revolving door 5, and then controls the opening and closing of transfer door,
Easy to operate, safety.It ensure that the accuracy of transfer door movement using absolute value encoder.
As shown in Figure 5 and Figure 6, the transfer door further includes mechanical position limitation mechanism comprising is opened in the outer surface of revolving door 5
And one third is circumferentially extended to the limiting groove 20 of half perimeter along it, and 20 limit is matched with the limiting groove
Position pin 18, the spacer pin 18 are inserted into limiting groove 20, thus when encoder breaks down, the second through-hole on revolving door 5
Mechanical position limitation is carried out to revolving door 5 after being connected to/be staggered with the entrance and exit before and after it, to ensure transfer door correctly unlatching/pass
It closes.
The concrete operation method of transfer door described in the present embodiment is as follows：
Open transfer door：As shown in Fig. 2, the normality of transfer door is in off state, when needing to be transported into material into hot cell,
Sealing-plug 1 is removed first, is then turned on motor 19, motor 19 drives worm screw 17 to rotate, and rotation is passed to worm gear by worm screw 17
15, worm gear 15 drives lower spindle nose 14 to rotate, to make revolving door 5 rotate, when inner cylinder 12 and forward flange disk 2, the rear stub of revolving door 5
When 10 places channel are accurately docked, a complete transport channel being formed, at this time closes motor 19, transfer door unlatching finishes,
Material is transported using the channel.
Close transfer door：Motor 19 is opened, so that revolving door 5 is rotated by a certain angle, to make the inner cylinder 12 and forward flange of revolving door 5
Disk 2,10 place channel of rear stub are staggered completely, transport channel at this time and close, at this time close motor 19, and by sealing-plug 1
It is inserted into the consent of shielding slab 3, transfer door is completed and closes.
Certainly, the opening and closing of transfer door control the revolution of motor rotation to realize by encoder.
In conclusion present embodiments providing a kind of motor-driven hot cell transfer door of use, existing heat is efficiently solved
Room transfer door there are the problem of, on the one hand, so that the open and close of transfer door is realized full-automatic, specifically, motor drives snail
Bar rotates, and worm and wheel matches the lower spindle nose rotation of drive, and to drive revolving door to rotate, and application encoder controls motor
The revolution of rotation to control the rotation angle of revolving door, and then controls the opening and closing of transfer door, easy to operate, safety；Separately
On the one hand, the sealing function and function of shielding of transfer door be ensure that, securely and reliably, specifically, sealed by being arranged for transfer door
Plug, top plug and lower plug, well ensure effective sealing to hot internal ambience, and lead is perfused in revolving door, play shielding
Protective action, different materials can be perfused according to hot cell internal source difference in shielding slab, to meet radiation protection requirement；It is another
The structure of aspect, transfer door is simple, ingenious, saves space, specifically, the shape of front stall and cavity and revolving door inside back seat is equal
Using hierarchic structure, revolving door being freely rotated in cavity is realized, space is maximally utilized.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (11)
1. a kind of full-automatic shielding transfer door, for will be transported in hot cell outside material self-heating room, which is characterized in that the transhipment
Door includes shielding slab, front stall, back seat, revolving door and transmission mechanism, and the shielding slab, front stall and back seat are embedded in hot cell wall
It is interior, and be arranged in order to the indoor direction of heat outside hot cell, it offers on the shielding slab and is connected to outside hot cell in the horizontal direction
First through hole, the inside of the front stall and back seat is formed with the cavity to match with the shape of revolving door, and front stall is close to hot cell
Outer side offers the entrance being connected to respectively with the cavity and first through hole, and back seat offers point close to the indoor side of heat
Not with the outlet that is connected in the cavity and hot cell, the revolving door is arranged in the cavity, offers in the horizontal direction thereon
Second through-hole, and first through hole, entrance, the second through-hole and outlet can be sequentially communicated and form a channel, the driver
Structure is connect after sequentially passing through shielding slab and front stall with the top of revolving door or bottom end, for driving revolving door around its vertical axes in the sky
Intracavitary is freely rotated, to make the second through-hole on revolving door be connected to or be staggered with the entrance and exit before and after it, to open or close
Close the transfer door.
2. transfer door according to claim 1, which is characterized in that the shielding slab uses shell type structure, and perfusion in shell
There is radiation proof material.
3. transfer door according to claim 1, which is characterized in that the transfer door further includes be embedded in revolving door top upper
Spindle nose and the lower spindle nose for being embedded in revolving door bottom end, the upper spindle nose are cased with upper bearing (metal) outside, and the lower spindle nose housing has lower bearing, institute
Transmission mechanism is stated to connect with upper spindle nose or lower spindle nose.
4. transfer door according to claim 3, which is characterized in that
The top of the front stall and back seat contact position position corresponding with upper spindle nose offers third through-hole, and the transfer door also wraps
Include the top plug that can be inserted into from outside to inside in third through-hole；
Position corresponding with lower spindle nose offers fourth hole on the bottom of the front stall and back seat contact position, and the transfer door is also
Including the lower plug that can be inserted into from outside to inside in fourth hole.
5. transfer door according to claim 1, which is characterized in that the revolving door use stepped cylindrical structure, upper part by
Up to lower in successively incremental ladder-like, its underpart is also in successively incremental ladder-like from the bottom to top；In the front stall and back seat
The cavity in portion uses the hierarchic structure that the shape with the revolving door matches.
6. transfer door according to claim 1, which is characterized in that the transfer door further includes the entrance side for being connected to front stall
Forward flange disk, be connected to back seat outlet side rear stub, and connect with rear stub and the horizontal extension into hot cell
Take over.
7. transfer door according to claim 1, which is characterized in that the transfer door further includes being arranged to lead to the second of revolving door
In hole and the inner cylinder of both ends open, and the outer wall of inner cylinder is bonded with the hole wall of the second through-hole；The revolving door uses shell type structure, and
Lead is perfused in shell.
8. according to the transfer door described in any one of claim 1-7, which is characterized in that the transmission mechanism includes motor, snail
Wheel and the connection of worm screw, the shaft of the worm gear and the top of revolving door or bottom end, the worm and wheel matches, and the end of worm screw
The axis connection in portion and motor.
9. transfer door according to claim 8, which is characterized in that the transfer door further includes turning for controlling motor rotation
Several encoders.
10. transfer door according to claim 9, which is characterized in that the transfer door further includes mechanical position limitation mechanism, packet
Include the outer surface for being opened in revolving door and along its circumferentially extend one third to half perimeter limiting groove, and with it is described
The matched spacer pin of limiting groove, the spacer pin are inserted into limiting groove, thus when encoder breaks down, on revolving door
Second through-hole carries out mechanical position limitation after being connected to/be staggered with the entrance and exit before and after it to revolving door, to ensure the correct of transfer door
Unlatching/closing.
11. according to the transfer door described in any one of claim 1-7, which is characterized in that the transfer door further includes can be from
It is inserted into the first through hole of shielding slab outside to inside, and the sealing-plug that can be extracted out of this first through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810101433.4A CN108389640A (en) | 2018-02-01 | 2018-02-01 | A kind of full-automatic shielding transfer door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810101433.4A CN108389640A (en) | 2018-02-01 | 2018-02-01 | A kind of full-automatic shielding transfer door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108389640A true CN108389640A (en) | 2018-08-10 |
Family
ID=63074884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810101433.4A Pending CN108389640A (en) | 2018-02-01 | 2018-02-01 | A kind of full-automatic shielding transfer door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108389640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634584A (en) * | 2019-09-23 | 2019-12-31 | 中国核动力研究设计院 | Ball valve type shielding transfer device |
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| JPS62266338A (en) * | 1986-05-10 | 1987-11-19 | Matsushita Electronics Corp | Air shower device |
| CN1129025A (en) * | 1994-08-25 | 1996-08-14 | 道尔玛有限公司和两合公司 | Revolving-door drive |
| CN204087833U (en) * | 2014-08-01 | 2015-01-07 | 中国核电工程有限公司 | A kind of horizontal rotary mechanism with spring-positioning device |
| CN105113904A (en) * | 2014-04-15 | 2015-12-02 | 盖慈有限公司 | Door drive |
| CN105161153A (en) * | 2015-08-06 | 2015-12-16 | 中国核电工程有限公司 | Nuclear fuel element transferring apparatus |
| CN106710054A (en) * | 2015-11-16 | 2017-05-24 | 河北省自动化研究所 | Intelligent rotating hall device for prison door |
-
2018
- 2018-02-01 CN CN201810101433.4A patent/CN108389640A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62266338A (en) * | 1986-05-10 | 1987-11-19 | Matsushita Electronics Corp | Air shower device |
| CN1129025A (en) * | 1994-08-25 | 1996-08-14 | 道尔玛有限公司和两合公司 | Revolving-door drive |
| CN105113904A (en) * | 2014-04-15 | 2015-12-02 | 盖慈有限公司 | Door drive |
| CN204087833U (en) * | 2014-08-01 | 2015-01-07 | 中国核电工程有限公司 | A kind of horizontal rotary mechanism with spring-positioning device |
| CN105161153A (en) * | 2015-08-06 | 2015-12-16 | 中国核电工程有限公司 | Nuclear fuel element transferring apparatus |
| CN106710054A (en) * | 2015-11-16 | 2017-05-24 | 河北省自动化研究所 | Intelligent rotating hall device for prison door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634584A (en) * | 2019-09-23 | 2019-12-31 | 中国核动力研究设计院 | Ball valve type shielding transfer device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180810 |