CN220230856U - Airtight door detection device for civil air defense engineering - Google Patents
Airtight door detection device for civil air defense engineering Download PDFInfo
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- CN220230856U CN220230856U CN202320971781.3U CN202320971781U CN220230856U CN 220230856 U CN220230856 U CN 220230856U CN 202320971781 U CN202320971781 U CN 202320971781U CN 220230856 U CN220230856 U CN 220230856U
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- airtight door
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- 230000007123 defense Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a detection device of a closed door for civil air defense engineering, which comprises a workbench and a pressing sealing mechanism; a working table: two supporting seats are symmetrically and fixedly connected to the left side and the right side of the lower surface of the workbench, an air box is fixedly connected to the lower surface of the workbench, a fan is connected to the inside of the air box through screws, a supporting frame is fixedly connected to the upper surface of the workbench, and an installation box is fixedly connected to the upper surface of the supporting frame; and a pressing sealing mechanism: the lower pressing sealing mechanism is arranged between the inside of the support frame and the inside top end of the installation box, and the pressure sensor is arranged at the inside top end of the lower pressing sealing mechanism; wherein: the front side of support frame is provided with the PLC controller, and the external power source is connected to the input electricity of PLC controller, and this airtight door detection device for civil air defense engineering can make the seal box with prevent engineering airtight door contact formation airtight space fast steadily for sealed effect is better, and then can more accurate detection prevent engineering airtight door.
Description
Technical Field
The utility model relates to the technical field of production of airtight doors for civil air defense engineering, in particular to an airtight door detection device for civil air defense engineering.
Background
The civil air defense engineering is also called civil air defense work, which refers to an underground protective building which is independently constructed for guaranteeing the shielding of personnel and materials in a war, the command of civil air defense and the medical aid, and a basement which can be used for air defense in combination with the construction of a ground building in a war.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the airtight door detection device for the civil air defense engineering, which can quickly and stably enable the airtight box to be in contact with the airtight door for the civil air defense engineering to form an airtight space, so that the airtight effect is better, the airtight door for the civil air defense engineering can be detected more accurately, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a people's air defense engineering is with airtight door detection device, includes workstation and pushes down sealing mechanism;
a working table: two supporting seats are symmetrically and fixedly connected to the left side and the right side of the lower surface of the workbench, an air box is fixedly connected to the lower surface of the workbench, a fan is connected to the inside of the air box through screws, a supporting frame is fixedly connected to the upper surface of the workbench, and an installation box is fixedly connected to the upper surface of the supporting frame;
and a pressing sealing mechanism: the lower pressing sealing mechanism is arranged between the inside of the support frame and the inside top end of the installation box, and the pressure sensor is arranged at the inside top end of the lower pressing sealing mechanism;
wherein: the front side of support frame is provided with the PLC controller, and the external power source is connected to the input electricity of PLC controller, and the output of PLC controller is connected to the input electricity of fan, and pressure sensor and the two-way electricity of PLC controller are connected, can make the seal box form airtight space with preventing engineering airtight door contact fast steadily for sealed effect is better, and then can more accurate detection prevent engineering airtight door.
Further, the pushing-down sealing mechanism comprises a sliding frame and a sealing box, the sliding frame is connected between the strip-shaped grooves formed in the inner walls of the left side and the right side of the supporting frame in a sliding mode, the sealing box is connected inside the sliding frame through bolts, a pressure sensor is arranged at the top end inside the sealing box, and the sealing box is driven to move downwards through the sliding frame.
Further, the pressing sealing mechanism further comprises a sliding frame, guide sliding grooves and connecting rods, wherein the guide sliding grooves are symmetrically formed in the front side and the rear side of the bottom end inside the installation box, the sliding frame is connected between the two guide sliding grooves in a sliding mode, the two connecting rods which are symmetrically distributed in the left side and the right side are connected with each other through pin shafts in a rotating mode, one end, far away from the sliding frame, of each connecting rod is connected with the sliding frame in a rotating mode through the pin shafts, and the sliding frame is driven to move through movement of the sliding frame.
Further, the pressing sealing mechanism further comprises a support and an adjusting screw rod, the support is symmetrically and fixedly connected to the left side and the right side of the bottom end inside the installation box, the adjusting screw rod is rotatably connected between the two supports through a bearing, the adjusting screw rod is in threaded connection with the sliding frame, and the sliding frame is driven to move through rotation of the adjusting screw rod.
Further, the inside bottom left side of installation case is provided with the motor, and the output shaft and the accommodate the lead screw fixed connection of motor, the output of PLC controller is connected to the input electricity of motor, drives accommodate the rotation of lead screw.
Further, the sealing ring is fixedly connected to the lower surface of the sealing box, so that the sealing degree is improved.
Further, the left side of the front side of the installation box is provided with an alarm lamp, the input end of the alarm lamp is electrically connected with the output end of the PLC, and signals are sent out to display detection results.
Compared with the prior art, the utility model has the beneficial effects that: this airtight door detection device for civil air defense engineering has following benefit:
when detecting the airtight door for civil air protection engineering, a detector places the airtight door for civil air protection engineering on the upper surface of a workbench, the operation of a motor is regulated and controlled by a PLC controller, an output shaft of the motor drives an adjusting screw rod to rotate, the adjusting screw rod drives the sliding frame to move rightwards in a guide sliding groove through the threaded relation between the adjusting screw rod and the sliding frame, the sliding frame is rotated between the sliding frame and a connecting rod, the connecting rod and a sliding frame also rotate, the sliding frame drives the sliding frame to move downwards through the connecting rod, the sliding frame drives a sealing box to move downwards, an airtight space is formed between the airtight door for civil air protection engineering placed on the upper surface of the workbench and the inside of the sealing box through a sealing ring and the sealing box, at the moment, a fan and a pressure sensor are regulated and controlled to operate through the PLC controller, the fan blows upwards from the inside of the bellows, the upward blowing wind contacts with the lower surface of the airtight door for civil air protection engineering placed on the upper surface of the workbench through the avoidance opening formed on the upper surface of the workbench, after the fan and the pressure sensor are operated for a period of time, if the pressure detected by the pressure sensor detection head does not change, the PLC controller regulates the alarm lamp to light the green light, the sealing effect of the airtight door for civil air protection engineering is normal, if the sealing effect of the airtight door for civil air protection engineering is insufficient, the upward blowing wind in the bellows can enter the airtight space formed after the upper surface of the airtight door for civil air protection engineering contacts with the lower surface of the sealing box, the pressure in the airtight space changes at the moment, a certain pressure is generated on the detection head of the pressure sensor, the pressure sensor transmits the information of the detected pressure change to the PLC controller, the PLC controller controls the alarm lamp to light the red light, the sealing effect of the airtight door for civil air defense engineering is not enough, because the cross beam at the bottom end of the sliding frame between the two pin shafts at the upper end and the transverse beam of the sliding frame between the two pin shafts at the lower end form a parallelogram, the sliding frame can rapidly and stably move up and down, the position of the sliding frame is self-locked through the threaded relation between the sliding frame and the adjusting screw rod, and then the position of the sliding frame is self-locked, so that the position of the sealing box is self-locked, the sealing box can rapidly and stably contact the airtight door for engineering to form an airtight space, the sealing effect is better, and the airtight door for engineering prevention can be detected more accurately.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal cross-sectional structure of the present utility model.
In the figure: the device comprises a workbench 1, a supporting seat 2, a bellows 3, a fan 4, a supporting frame 5, a mounting box 6, a pressing sealing mechanism 7, a supporting seat 71, an adjusting screw rod 72, a sliding frame 73, a guiding sliding chute 74, a connecting rod 75, a sliding frame 76, a sealing box 77, a motor 8, a pressure sensor 9, a sealing ring 10, a PLC 11 and a warning lamp 12.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present embodiment provides a technical solution: the utility model provides a people's air defense engineering is with airtight door detection device, includes workstation 1 and pushes down sealing mechanism 7;
work table 1: two supporting seats 2 are symmetrically and fixedly connected to the left side and the right side of the lower surface of the workbench 1, a wind box 3 is fixedly connected to the lower surface of the workbench 1, a fan 4 is connected to the inside of the wind box 3 through screws, a supporting frame 5 is fixedly connected to the upper surface of the workbench 1, an installation box 6 is fixedly connected to the upper surface of the supporting frame 5, the fan 4 blows upwards from the inside of the wind box 3, and the upwards blown wind contacts with the lower surface of a civil air protection engineering airtight door arranged on the upper surface of the workbench 1 through an avoidance opening formed in the upper surface of the workbench 1;
pressing down sealing mechanism 7: the lower pressing sealing mechanism 7 comprises a sliding frame 76 and a sealing box 77, wherein the sliding frame 76 is connected between strip-shaped grooves formed in the inner walls of the left side and the right side of the supporting frame 5 in a sliding manner, the sealing box 77 is connected to the inside of the sliding frame 76 through bolts, the pressure sensor 9 is arranged at the inner top end of the sealing box 77, the lower pressing sealing mechanism 7 further comprises a sliding frame 73, guide sliding grooves 74 and connecting rods 75, the guide sliding grooves 74 are symmetrically formed in the front side and the rear side of the inner bottom end of the mounting box 6, the sliding frame 73 is connected between the two guide sliding grooves 74 in a sliding manner, two connecting rods 75 which are symmetrically distributed in the left side and the right side are connected to the front side and the rear side of the lower surface of the sliding frame 73 in a sliding manner through pin shafts in a sliding manner, one end of each connecting rod 75, which is far away from the sliding frame 73, is connected with the sliding frame 76 in a rotating manner through pin shafts, the pressing sealing mechanism 7 further comprises a support 71 and an adjusting screw 72, wherein the support 71 is symmetrically and fixedly connected to the left side and the right side of the bottom end inside the installation box 6, the adjusting screw 72 is rotatably connected between the two supports 71 through a bearing, the adjusting screw 72 is in threaded connection with the sliding frame 73, the lower surface of the sealing box 77 is fixedly connected with a sealing ring 10, the sliding frame 73 is driven by the adjusting screw 72 to move right in a guide sliding groove 74 through the threaded relation between the adjusting screw 72 and the sliding frame 73, the sliding frame 73 and a connecting rod 75 rotate, the connecting rod 75 and the sliding frame 76 also rotate, the sliding frame 73 drives the sliding frame 76 to move downwards through the connecting rod 75, the sliding frame 76 drives the sealing box 77 to move downwards, a sealing space is formed between a civil air protection engineering sealing door placed on the upper surface of the workbench 1 and the inside of the sealing box 77 through the sealing ring 10 and the sealing box 77, because the two connecting rods, the cross beam at the bottom end of the sliding frame 73 between the two pin shafts at the upper end and the transverse beam of the sliding frame 76 between the two pin shafts at the lower end form a parallelogram, the sliding frame 76 can rapidly and stably move up and down, the position of the sliding frame 73 is self-locked through the threaded relation between the sliding frame 73 and the adjusting screw rod 72, the position of the sliding frame 76 is further self-locked, the position of the sealing box 77 is self-locked, the sealing box 77 can rapidly and stably contact the sealing door for engineering to form a sealing space, the sealing effect is better, and the sealing door for engineering can be more accurately detected;
wherein: the front side of the supporting frame 5 is provided with a PLC 11, the input end of the PLC 11 is electrically connected with an external power supply, the input end of the fan 4 is electrically connected with the output end of the PLC 11, the pressure sensor 9 is electrically connected with the PLC 11 in a bidirectional manner, the left side of the inner bottom end of the installation box 6 is provided with a motor 8, the output shaft of the motor 8 is fixedly connected with an adjusting screw 72, the input end of the motor 8 is electrically connected with the output end of the PLC 11, the left side of the front side of the installation box 6 is provided with an alarm lamp 12, the input end of the alarm lamp 12 is electrically connected with the output end of the PLC 11, the PLC 11 regulates and controls the normal operation of the fan 4, the motor 8, the pressure sensor 9 and the alarm lamp 12, the PLC 11 regulates and controls the operation of the motor 8, the output shaft of the motor 8 drives the adjusting screw 72 to rotate, the fan 4 and the pressure sensor 9 are regulated and operated through the PLC 11, after the fan 4 and the pressure sensor 9 run for a period of time, if the pressure detected by the detection head of the pressure sensor 9 does not change, the PLC 11 regulates and controls the alarm lamp 12 to light a green light, the sealing effect of the airtight door for civil air protection engineering is normal, if the sealing effect of the airtight door for civil air protection engineering is insufficient, the wind blown upwards by the interior of the bellows 3 can enter the airtight space formed after the upper surface of the airtight door for civil air protection engineering contacts with the lower surface of the sealing box 77 through the leak hole of the airtight door for civil air protection engineering, the pressure in the airtight space can change at the moment, a certain pressure is generated for the detection head of the pressure sensor 9, the information of the detected pressure change is transmitted to the PLC 11, and then the PLC 11 controls the alarm lamp 12 to light the red light, so that the sealing effect of the airtight door for civil air protection engineering is insufficient is displayed.
The utility model provides a detection device of a closed door for civil air defense engineering, which has the following working principle:
when detecting the airtight door for civil air protection engineering, a detector places the airtight door for civil air protection engineering on the upper surface of the workbench 1, the operation of the motor 8 is regulated and controlled by the PLC 11, the output shaft of the motor 8 drives the adjusting screw 72 to rotate, the adjusting screw 72 drives the sliding frame 73 to move right in the guide chute 74 through the threaded relationship between the adjusting screw 72 and the sliding frame 73, the sliding frame 73 rotates with the connecting rod 75, the connecting rod 75 also rotates with the sliding frame 76, the sliding frame 73 drives the sliding frame 76 to move downwards through the connecting rod 75, the sliding frame 76 drives the sealing box 77 to move downwards, an airtight space is formed between the airtight door for civil air protection engineering placed on the upper surface of the workbench 1 and the inside of the sealing box 77 through the sealing ring 10 and the sealing box 77, the operation of the fan 4 and the pressure sensor 9 is regulated and controlled by the PLC 11 at the moment, the blower 4 blows air upwards from the inside of the bellows 3, the upward blowing air contacts with the lower surface of the airtight door for civil air protection project placed on the upper surface of the workbench 1 through the avoidance opening formed on the upper surface of the workbench 1, after the blower 4 and the pressure sensor 9 run for a period of time, if the pressure detected by the detection head of the pressure sensor 9 does not change, the PLC 11 regulates and controls the alarm lamp 12 to light a green light, the sealing effect of the airtight door for civil air protection project is normal, if the sealing effect of the airtight door for civil air protection project is insufficient, the upward blowing air in the bellows 3 enters into the airtight space formed by the contact of the upper surface of the airtight door for civil air protection project and the lower surface of the sealing box 77 through the leak hole of the airtight door for civil air protection project, at this time, the pressure in the airtight space changes, a certain pressure is generated to the detection head of the pressure sensor 9, the information of the detected pressure change is transmitted to the PLC 11 by the pressure sensor 9, the PLC 11 controls the alarm lamp 12 to light the red lamp, the sealing effect of the airtight door for civil air defense is insufficient, and as the two connecting rods, the cross beam at the bottom end of the sliding frame 73 between the two pin shafts at the upper end and the cross beam of the sliding frame 76 between the two pin shafts at the lower end form a parallelogram, the sliding frame 76 can rapidly and stably move up and down, the position of the sliding frame 73 is self-locked through the threaded relation between the sliding frame 73 and the adjusting screw 72, the position of the sliding frame 76 is self-locked, the position of the sealing box 77 is self-locked, the sealing box 77 can be rapidly and stably contacted with the airtight door for civil air defense to form an airtight space, the sealing effect is better, and the airtight door for civil air defense can be more accurately detected.
It should be noted that the pressure sensor 9 disclosed in the above embodiment is a strain gauge pressure sensor, the fan 4 is a 4-72 type fan, the motor 8 is an SM3L-042A1BDV servo motor, the alarm lamp 12 is a Φ90 combined alarm lamp, the PLC controller 11 is an STM32, and the PLC controller 11 regulates the operation of the fan 4, the motor 8, the pressure sensor 9 and the alarm lamp 12 by a method commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a people's air defense engineering is with airtight door detection device which characterized in that: comprises a workbench (1) and a pressing sealing mechanism (7);
workbench (1): two supporting seats (2) are symmetrically and fixedly connected to the left side and the right side of the lower surface of the workbench (1), an air box (3) is fixedly connected to the lower surface of the workbench (1), a fan (4) is connected to the inside of the air box (3) through screws, a supporting frame (5) is fixedly connected to the upper surface of the workbench (1), and an installation box (6) is fixedly connected to the upper surface of the supporting frame (5);
pressing down sealing mechanism (7): the pressure sensor (9) is arranged at the inner top end of the pressing sealing mechanism (7) and between the inner part of the supporting frame (5) and the inner top end of the installation box (6);
wherein: the front side of support frame (5) is provided with PLC controller (11), and the input electricity of PLC controller (11) is connected external power source, and the output of PLC controller (11) is connected to the input electricity of fan (4), and pressure sensor (9) are connected with the two-way electricity of PLC controller (11).
2. The airtight door detection device for civil air defense engineering according to claim 1, wherein: the pressing sealing mechanism (7) comprises a sliding frame (76) and a sealing box (77), the sliding frame (76) is connected between the strip-shaped grooves formed in the inner walls of the left side and the right side of the supporting frame (5) in a sliding mode, the sealing box (77) is connected inside the sliding frame (76) through bolts, and a pressure sensor (9) is arranged at the top end inside the sealing box (77).
3. The airtight door detection device for civil air defense engineering according to claim 2, wherein: the pressing sealing mechanism (7) further comprises a sliding frame (73), guide sliding grooves (74) and connecting rods (75), the guide sliding grooves (74) are symmetrically formed in the front side and the rear side of the bottom end inside the installation box (6), the sliding frame (73) is connected between the two guide sliding grooves (74) in a sliding mode, the front side and the rear side of the lower surface of the sliding frame (73) are respectively connected with the connecting rods (75) which are distributed in a bilateral symmetry mode through pin shafts in a rotating mode, and one end, far away from the sliding frame (73), of each connecting rod (75) is respectively connected with the sliding frame (76) in a rotating mode through pin shafts.
4. A closed door detection device for civil air defense engineering according to claim 3, wherein: the pressing sealing mechanism (7) further comprises a support (71) and an adjusting screw (72), the support (71) is symmetrically and fixedly connected to the left side and the right side of the bottom end inside the installation box (6), the adjusting screw (72) is rotatably connected between the two supports (71) through bearings, and the adjusting screw (72) is in threaded connection with the sliding frame (73).
5. The airtight door detection device for civil air defense engineering according to claim 4, wherein: the left side of the inner bottom end of the installation box (6) is provided with a motor (8), an output shaft of the motor (8) is fixedly connected with an adjusting screw rod (72), and an input end of the motor (8) is electrically connected with an output end of a PLC (programmable logic controller) 11.
6. The airtight door detection device for civil air defense engineering according to claim 2, wherein: the lower surface of the sealing box (77) is fixedly connected with a sealing ring (10).
7. The airtight door detection device for civil air defense engineering according to claim 1, wherein: the left side of the front side of the installation box (6) is provided with an alarm lamp (12), and the input end of the alarm lamp (12) is electrically connected with the output end of the PLC (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971781.3U CN220230856U (en) | 2023-04-26 | 2023-04-26 | Airtight door detection device for civil air defense engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971781.3U CN220230856U (en) | 2023-04-26 | 2023-04-26 | Airtight door detection device for civil air defense engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220230856U true CN220230856U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320971781.3U Active CN220230856U (en) | 2023-04-26 | 2023-04-26 | Airtight door detection device for civil air defense engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220230856U (en) |
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2023
- 2023-04-26 CN CN202320971781.3U patent/CN220230856U/en active Active
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