CN218522555U - Safety lifting door for small-dose fixed-point irradiation experiment - Google Patents
Safety lifting door for small-dose fixed-point irradiation experiment Download PDFInfo
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- CN218522555U CN218522555U CN202222603754.9U CN202222603754U CN218522555U CN 218522555 U CN218522555 U CN 218522555U CN 202222603754 U CN202222603754 U CN 202222603754U CN 218522555 U CN218522555 U CN 218522555U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a safe lifting gate of small dose fixed point irradiation experiment fixes in the wall through-hole department of irradiator, and the tow chain that hangs chain conveyer of irradiator is followed pass through in the lifting gate, the lifting gate includes: the guide door frames are fixed on two sides of the through hole, and a first sensor is arranged at the top of each guide door frame; the telescopic door plate comprises a first door plate and a second door plate, and the first door plate is connected with the second door plate through a spring; and the second sensor is fixed on the rack of the suspension chain conveyor and used for detecting whether the hanging box receiving irradiation safely passes through the telescopic door plate. The utility model discloses a conveying chain is dodged simultaneously to automatic opening and closure through the transfer passage of wall through-hole department entering irradiation room, realizes safe efficient irradiation transport experiment.
Description
Technical Field
The utility model belongs to the technical field of the irradiation, a irradiation emergency exit technique is related to, especially safe lifting gate is tested in small dose fixed point irradiation.
Background
The small-dose fixed-point irradiation experiment adopts a closed mode to carry out the irradiation experiment, wherein the irradiated objects to be tested need to enter the irradiation chamber through a conveying channel on the wall of the irradiation chamber. In the prior art, a safety door is arranged at an inlet of a conveying channel of a wall, namely, the safety door needs to be closed after an irradiated object enters an irradiation chamber, so that a source-reducing fault caused by the fact that personnel or animals enter the irradiation chamber is prevented.
However, since the transfer passage on the wall is small, generally 50 cm high and 50 cm wide, the precision requirement for the automatic transfer door is high, and the drag chain of the suspension chain conveyor passes through the transfer passage, a specially-made safety door needs to be provided to be suitable for the irradiation room of the small-dose fixed-point irradiation experiment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a small dose fixed point irradiation experiment safety lift gate, it is low effectively to solve traditional emergency exit lifting accuracy among the prior art, and the transfer process is solved and is hung chain conveyor's tow chain and pass through technical problem.
The utility model provides a its technical problem take following technical scheme to realize:
a safety lifting door for a small-dose fixed-point irradiation experiment is fixed at a through hole of a wall of an irradiation room, a drag chain of a suspension chain conveyor of the irradiation room passes through the lifting door, and the lifting door comprises:
the guide door frame is fixed on two sides of the through hole, guide grooves are symmetrically formed in two sides of the guide door frame, a driving rod is arranged on the outer side of each guide groove, and a first sensor is arranged at the top of the door frame and used for detecting whether a hanging box receiving irradiation passes through the guide grooves;
the telescopic door plate comprises a first door plate and a second door plate, the first door plate and the second door plate are connected through a spring, the second door plate is connected with the driving rod, and the first door plate retracts into the second door plate when contacting with a drag chain of the suspension chain conveyor;
the second sensor is fixed on the rack of the suspension chain conveyor and used for detecting whether the hanging box receiving irradiation passes through the telescopic door plate or not;
and the controller is used for driving the telescopic door panel to move on the driving rod so as to realize the opening and closing of the telescopic door.
Preferably, the guide groove interface is U-shaped, and a fixing plate is disposed on a side of the guide groove not opened to fix the guide groove to both sides of the through hole.
Preferably, the driving rod comprises a guide rod, the controller comprises a control module and a driving module fixed together with the second door panel, and the driving module is sleeved on the outer side of the guide rod.
Preferably, the driving module is a linear cylinder, the linear cylinder is fixed with the second door panel, and the controller receives signals of the first sensor and the second sensor and controls the linear cylinder to reciprocate on the guide rod.
Preferably, the driving module comprises a ball screw, a threaded sleeve is arranged on the ball screw, the threaded sleeve is fixed with the second door panel, the controller receives signals of the first sensor and the second sensor, and the motor is controlled to drive the screw to rotate so as to drive the threaded sleeve to rotate, and further drive the second door panel to reciprocate on the guide rod.
Preferably, the first door panel and the second door panel are connected together through a sliding groove, the bottom of the second door panel is connected with the bottom of the first door panel through a spring, and the spring is in an extending state when external force is not applied.
Preferably, the second door panel includes an inner panel and an outer panel, and the first door panel is disposed between the inner panel and the outer panel.
Preferably, a gap is formed in the contact position of the first door plate and a drag chain of the suspension chain conveyor and used for avoiding the drag chain of the suspension chain conveyor, and metal bristles are arranged in the gap and used for preventing irradiation rays from escaping from an irradiation chamber.
Preferably, a soft brush is arranged between the inner plate and the outer plate for preventing dust from entering between the inner plate and the outer plate.
The utility model has the advantages that:
the utility model has the advantages that the design is scientific and reasonable, the lifting door comprises a guide door frame and a telescopic door plate, the guide door frame is fixed on two sides of the through hole, guide grooves are symmetrically arranged on two sides of the guide door frame, a driving rod is arranged on the outer side of each guide groove, and a first sensor is arranged on the top of the guide door frame; the telescopic door plate comprises a first door plate and a second door plate, the first door plate and the second door plate are connected through a spring, the second door plate is connected with the driving rod, and the first door plate retracts into the second door plate when contacting with a drag chain of the suspension chain conveyor; and a second sensor is arranged on the rack of the suspension chain conveyor, and a controller is arranged on the guide door frame and used for driving the telescopic door panel to move on the driving rod. Under the feedback control of first sensor and second sensor, the realization of controller through the flexible door plant of control has opened and is closed through the automation of the commodity circulation passageway of wall through-hole department entering irradiation chamber, and the cooperation of first door plant and second door plant makes the door plant can dodge the conveying chain automatically when meetting the conveying chain in the flexible door plant simultaneously, has realized bypassing the conveying chain with the effect that the through-hole totally closed, provides safe and reliable's guarantee for the safe work of irradiation chamber and the smooth business turn over irradiation chamber of hanging the case.
Drawings
FIG. 1 is a view showing the usage state of the present invention;
FIG. 2 is a front view of the safety lift gate of FIG. 1;
FIG. 3 is a schematic perspective view of FIG. 2;
FIG. 4 is an enlarged schematic view at E in FIG. 3;
fig. 5 is a side view of the retractable door panel of the safety lift gate of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A safety lifting door for a small-dose fixed-point irradiation experiment is shown in figures 1, 2 and 3, the safety lifting door is fixed at a through hole 2 of a wall 1 of an irradiation chamber, a drag chain 4 of a suspension chain conveyor of the irradiation chamber passes through the lifting door 3, and the lifting door 3 comprises:
the guide door frame is fixed on two sides of the through hole 2, guide grooves 16 are symmetrically formed in two sides of the guide door frame, a driving rod is arranged on the outer side of each guide groove 16, and a first sensor 9 is arranged at the top of the door frame and used for detecting whether a hanging box receiving irradiation passes through the door frame;
the telescopic door plate comprises a first door plate 14 and a second door plate 15, the first door plate 14 is connected with the second door plate 15 through a spring 17, the second door plate 15 is connected with the driving rod, and the first door plate 14 retracts into the second door plate 15 when contacting the drag chain 4 of the suspension chain conveyor;
the second sensor 5 is fixed on the rack of the suspension chain conveyor and used for detecting whether the hanging box receiving irradiation passes through the telescopic door plate or not;
and the controller 10 is used for driving the telescopic door panel to move on the driving rod so as to realize the opening and closing of the telescopic door.
Example one
The first door plate 14 and the second door plate 15 form a telescopic door plate, the telescopic door plate moves up and down in the guide groove 16, when the first door plate 14 touches the drag chain 4 of the suspension chain conveyor, the telescopic door plate retracts into the second door plate 15, automatic opening and closing of a logistics channel entering the irradiation chamber through a wall through hole are achieved, meanwhile, the conveying chain is avoided, the irradiation chamber where the irradiation rays escape is prevented, the telescopic door plate moves up and down in the guide groove 16 through mutual matching of the first sensor 9, the second sensor 5 and the controller 10, when the hanging box approaches the telescopic door plate, the first sensor 9 detects the hanging box and sends a detection signal to the controller 10, the controller 10 controls the driving module 7 to drive the telescopic door plate to slide in the guide groove 16, and guiding of the driving module 10 is achieved through the guide rod 8 in the driving rod;
as shown in fig. 2, 3 and 5, as a preferred embodiment of the present invention, the driving rod includes a guiding rod 8, the controller 10 includes a control module and a driving module 7 fixed with the second door panel, the driving module 7 is sleeved on the outside of the guiding rod, and the driving module 7 is fixed with the second door panel 15 through a fixing plate 6;
the driving module 7 is a linear cylinder, the linear cylinder is fixed with the second door panel, and the controller receives signals of the first sensor 9 and the second sensor 5 and controls the linear cylinder to reciprocate on the guide rod; the linear cylinder is a prior art cylinder and is characterized in that the cylinder can move along a piston rod, in this embodiment, the cylinder is a driving module 7, and the piston rod is a guide rod 8.
The first door plate 14 and the second door plate 15 are connected together through the sliding groove, the bottom of the second door plate 15 is connected with the bottom of the first door plate 14 through the spring 17, when the external force is not applied, the spring 17 is in an extension state, when the external force is applied by the drag chain 4 of the suspension chain conveyor, the spring 17 is compressed, and the maximum compression limit is that the limiting block 12 fixed on the first door plate 14 is contacted with the top of the second door plate 15.
Preferably, the second door panel 15 includes an inner panel 18 and an outer panel 19, and the first door panel is disposed between the inner panel 18 and the outer panel 19.
Preferably, first sensor 9 adopts camera 13 to realize, and when the position information of case was hung in the collection, collector appearance information was convenient for distinguish whether getting into the through-hole hang the case, and when what got into was people or other objects, controller 10 did not open flexible door plant to send out the police dispatch newspaper through alarm lamp 11 and bee calling organ.
Example two
On the basis of the first embodiment, a gap is formed in the contact position of the first door plate 14 and the drag chain 4 of the suspension chain conveyor and used for avoiding the drag chain of the suspension chain conveyor, and metal fluff is arranged in the gap and used for preventing an irradiation room where irradiation rays escape.
Preferably, a soft brush is provided between the inner plate 18 and the outer plate 19 for preventing dust from entering between the inner plate and the outer plate.
The foregoing has outlined broadly some of the aspects and features of the various embodiments, which should be construed to be merely illustrative of various potential applications. Other beneficial results can be obtained by applying the disclosed information in a different manner or by combining various aspects of the disclosed embodiments. Other aspects and a more complete understanding may be obtained by reference to the detailed description of the exemplary embodiments taken in conjunction with the accompanying drawings, based on the scope defined by the claims.
In addition the utility model also discloses following technical scheme:
the driving module 7 comprises a ball screw, a threaded sleeve is arranged on the ball screw, the threaded sleeve is fixed with the second door panel, the controller receives signals of the first sensor 9 and the second sensor 5, and the motor is controlled to drive the screw to rotate so as to drive the threaded sleeve to rotate, and further drive the second door panel 15 to reciprocate on the guide rod 8.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (9)
1. A safe lifting door for a small-dose fixed-point irradiation experiment is fixed at a through hole of a wall of an irradiation chamber, and a drag chain of a suspension chain conveyor of the irradiation chamber passes through the lifting door; the telescopic door plate comprises a first door plate and a second door plate, the first door plate and the second door plate are connected through a spring, the second door plate is connected with the driving rod, and the first door plate retracts into the second door plate when contacting with a drag chain of the suspension chain conveyor; and a second sensor is arranged on the rack of the suspension chain conveyor, and a controller is arranged on the guide door frame and used for driving the telescopic door panel to move on the driving rod.
2. The safety lifting door for small-dose fixed-point irradiation experiment as claimed in claim 1, wherein the guiding slot interface is U-shaped, and a fixing plate is disposed on the non-open side of the guiding slot interface for fixing the guiding slot on two sides of the through hole.
3. The safety lifting door for small-dose fixed-point irradiation experiment according to claim 2, wherein the driving rod comprises a guide rod, the controller comprises a control module and a driving module fixed with the second door panel, and the driving module is sleeved outside the guide rod.
4. The safety lift gate for small-dose fixed-point irradiation experiment according to claim 3, wherein the driving module is a linear cylinder, the linear cylinder is fixed with the second door panel, and the controller receives signals of the first sensor and the second sensor and controls the linear cylinder to reciprocate on the guide rod.
5. The safety lift gate for small-dose fixed-point irradiation experiment according to claim 3, wherein the driving module comprises a ball screw, a screw sleeve is arranged on the ball screw, the screw sleeve is fixed with the second door panel, the controller receives signals of the first sensor and the second sensor, and controls the motor to drive the screw rod to rotate, so as to drive the screw sleeve to rotate, and further drive the second door panel to reciprocate on the guide rod.
6. The safety lift gate for small-dose fixed-point irradiation experiment according to any one of claims 1 to 5, wherein the first door plate and the second door plate are connected together through a sliding groove, the bottom of the second door plate and the bottom of the first door plate are connected through a spring, and the spring is in an extended state when no external force is applied.
7. The safety lift gate for small-dose fixed-point irradiation experiment according to claim 6, wherein the second gate plate comprises an inner plate and an outer plate, and the first gate plate is arranged between the inner plate and the outer plate.
8. The safety lift gate for small-dose fixed-point irradiation experiment according to claim 7, wherein a contact part of the first door panel and a drag chain of the suspension chain conveyor is provided with a notch for avoiding the drag chain of the suspension chain conveyor, and metal fluff is arranged in the notch.
9. The safety lift gate for small-dose fixed-point irradiation experiment according to claim 8, wherein a soft brush is arranged between the inner plate and the outer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222603754.9U CN218522555U (en) | 2022-09-30 | 2022-09-30 | Safety lifting door for small-dose fixed-point irradiation experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222603754.9U CN218522555U (en) | 2022-09-30 | 2022-09-30 | Safety lifting door for small-dose fixed-point irradiation experiment |
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| Publication Number | Publication Date |
|---|---|
| CN218522555U true CN218522555U (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222603754.9U Active CN218522555U (en) | 2022-09-30 | 2022-09-30 | Safety lifting door for small-dose fixed-point irradiation experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450544A (en) * | 2022-09-30 | 2022-12-09 | 天津金鹏源辐照技术有限公司 | Fixed-point irradiation experiment system |
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2022
- 2022-09-30 CN CN202222603754.9U patent/CN218522555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450544A (en) * | 2022-09-30 | 2022-12-09 | 天津金鹏源辐照技术有限公司 | Fixed-point irradiation experiment system |
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