CN218566796U

CN218566796U - Air tightness detection equipment for civil air defense door

Info

Publication number: CN218566796U
Application number: CN202223186179.3U
Authority: CN
Inventors: 范小军
Original assignee: Wuhan Civil Air Defense Architecture Design And Research Institute Co ltd
Current assignee: Wuhan Civil Air Defense Architecture Design And Research Institute Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-03
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a people's air defense door gas tightness check out test set belongs to people's air defense door gas tightness detection technical field, has been directed against the problem that it is not convenient to fix people's air defense door on the detection case is uncovered, including water tank, detection case, elevating system, loading system and self-fixing mechanism, self-fixing mechanism includes bearing seat, pressure strip, supplies the rotary trough and supplies to change the part, is provided with the pressurized transmission part with supplying to change the part matched with on the bearing seat; the utility model discloses a from fixed establishment's setting, when installing the people's air defense door, only need directly to detect the people's air defense door of treating and place on the open seat that bears of detection case for the gravity drive that receives the people's air defense door from the pressurized transmission part in the fixed establishment supplies to change the part, controls the pressure strip and changes over to the inboard automatic people's air defense door that compresses tightly of detection case, with this simple structure, need not artifical hard operation, promote work efficiency effectively, the practicality is good.

Description

Air tightness detection equipment for civil air defense door

Technical Field

The utility model belongs to the technical field of people's air defense door gas tightness detects, concretely relates to people's air defense door gas tightness check out test set.

Background

The civil air defense door is mainly used for various orifice parts of civil air defense engineering and used for blocking shock waves, chemical agents, electromagnetic pulses, elastic sheets and early nuclear radiation, so that the air tightness detection is an important index for checking the performance of the civil air defense door.

In the prior art, the air tightness detection equipment for the civil air defense door has a patent publication number of CN217520670U, when the air tightness detection equipment is used, the civil air defense door is arranged at the top of a detection box, the civil air defense door and the detection box form a closed space, the detection box is lowered into a water tank through a driving assembly, air is filled into the detection box, an air leakage point is determined by observing the position of air bubbles, the detection is accurate, and the practicability is high;

however, above-mentioned patent is fixed the people's air defense door when the detection case is uncovered in the actual action, and the manual work needs to rotate the screw rod earlier, controls the clamp plate and removes and compress tightly the people's air defense door, just can be with people's air defense door fixed column, and its operation process is comparatively loaded down with trivial details, and the manpower is participated in more, influences work efficiency.

Therefore, a need exists for a civil air defense door air tightness detection device, which solves the problem that the civil air defense door is not convenient to fix on the opening of the detection box in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a people's air defense door gas tightness check out test set to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a civil air defense door air tightness detection device comprises a water tank, a detection box arranged on the open end of the water tank in a sliding manner, a lifting mechanism arranged on one side of the detection box, a pressurizing mechanism arranged on the other side of the detection box and a self-fixing mechanism arranged on the open end of the detection box;

from fixed establishment including being the rectangle frame form and being fixed in bear seat, rotatable set up in on the detection case inner wall pressure strip on the detection case is uncovered, set up in supply rotary trough on the detection case opening end and set up in supply the part is changeed in the confession of confession in the rotary trough, bear be provided with on the seat with supply to change part matched with pressurized transmission component.

It should be noted that in the scheme, the rotation supply component comprises a rotation supply rod which is horizontally and rotatably arranged between the inner walls of two sides of the rotation supply groove, two symmetrical fastening sleeves are connected to the rotation supply wheel on the rod body of the rotation supply rod, a locking sleeve fixed on the periphery of the rotation supply wheel and a locking rod which can be fixedly arranged in the inner side of the locking sleeve, a linkage rod is fixed at one end of the locking rod, and the tail end of the linkage rod is fixedly connected with the side, away from the opening of the detection box, of the pressure plate.

It is further worth explaining that, the pressurized transmission part includes that inside is the cavity vertical be fixed in bear the weight of on the seat bottom surface shrink seat, slide set up in receive the pressure pole and the fastening cup joint in supply the gear at runner pole body middle part in the shrink seat inboard, the one end of receiving the pressure pole vertically upwards runs through bear the seat, receive the other end of pressure pole with the rigid coupling has reset spring between the shrink seat bottom inner wall, set up in the inner wall of detection case with the inside movable chamber that is linked together of shrink seat, the slip is provided with the fly leaf in the movable chamber, the one end of fly leaf with receive the perpendicular rigid coupling of pressure pole mutually, the other end rigid coupling of fly leaf has the rack, the rack vertically upwards penetrates supply in the runner and with the gear meshes mutually.

It should be further noted that a locking screw rod is threaded through one end of the locking sleeve, which is far away from the rotating wheel, and a fixing hole matched with the locking screw rod is formed in the locking rod.

In a preferred embodiment, the top surfaces of the bearing seat and the pressure receiving rod are glued with elastic strips, and the elastic strips are rubber pads.

As a preferred embodiment, elevating system includes the perpendicular to support, vertical rotation on the water tank opening end inner wall set up in the support with lifting screw and threaded connection between the inner wall of water tank bottom in lifting screw pole body on the lifting screw pole body, one side of lifting screw pole body all over pass through the support with the lateral wall looks rigid coupling of detection case, the opposite side rigid coupling of lifting screw pole body all over has limit slide, vertically on the inside wall of water tank seted up with the smooth seam of limit slide looks adaptation, vertically on the top surface of support install driving motor, driving motor's output shaft runs through the support and with lifting screw's one end looks rigid coupling.

As a preferred embodiment, the pressurizing mechanism comprises an exhaust pipe and an inflation pipe which are communicated and fixed on the other side of the detection box, the exhaust pipe and the exhaust pipe are both provided with valves, and the tail end of the inflation pipe is communicated with an air pump.

Compared with the prior art, the utility model provides a pair of people's air defense door gas tightness check out test set includes following beneficial effect at least:

(1) Through the setting from fixed establishment, when installing the people's air defense door, only need directly to wait to detect the people's air defense door and place on the open seat that bears of detection case for the gravity drive that receives the people's air defense door from fixed establishment in the pressurized transmission part supplies to change the part, controls the pressure strip and changes over to the automatic people's air defense door that compresses tightly of detection case inboard, with this simple structure, need not artifical hard operation, promote work efficiency effectively, the practicality is good.

(2) Through the setting of locking screw, treat to accomplish the people's air defense door and detect the back, only need twist and move locking screw to make locking screw withdraw from in the fixed orifices under helicitic texture's effect, remove the fixed effect to locking bar, trace and pressure strip promptly, artifical alright dismantle or slide the locking bar, make the pressure strip remove from the people's air defense door, remove the effect that compresses tightly to the people's air defense door, make things convenient for the dismantlement of people's air defense door with this.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of a position a in fig. 2 according to the present invention.

In the figure: 1. a water tank; 2. a detection box; 3. an exhaust pipe; 4. an inflation tube; 5. a support; 6. a lifting screw; 7. a lifting screw sleeve; 8. a limiting slide block; 9. a drive motor; 10. a bearing seat; 11. a compression plate; 12. a linkage rod; 13. a supply and rotation groove; 14. a rotation supply rod; 15. a supply wheel; 16. a locking sleeve; 17. a locking lever; 18. locking the screw rod; 19. a gear; 20. a rack; 21. a movable cavity; 22. a movable plate; 23. a retracting seat; 24. a pressure receiving rod; 25. a return spring.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical scheme of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and based on the described embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art on the premise of not needing creative work all belong to the scope of protection of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a civil air defense door airtightness detection device, which comprises a water tank 1, a detection box 2 arranged on the open end of the water tank 1 in a sliding manner, a lifting mechanism arranged on one side of the detection box 2, and a pressurizing mechanism arranged on the other side of the detection box 2;

the lifting mechanism comprises a support 5 vertical to the inner wall of the open end of the water tank 1, a lifting screw 6 vertically and rotatably arranged between the support 5 and the inner wall of the bottom end of the water tank 1 and a lifting screw sleeve 7 in threaded connection with the rod body of the lifting screw 6, one side of the whole body of the lifting screw sleeve 7 is fixedly connected with the side wall of the detection box 2 through a support, the other side of the whole body of the lifting screw sleeve 7 is fixedly connected with a limiting slide block 8, a sliding seam matched with the limiting slide block 8 is vertically formed in the inner side wall of the water tank 1, a driving motor 9 is vertically arranged on the top surface of the support 5, and an output shaft of the driving motor 9 penetrates through the support 5 and is fixedly connected with one end of the lifting screw 6;

the pressurizing mechanism comprises an exhaust pipe 3 and an inflation pipe 4 which are communicated and fixed at the other side of the detection box 2, valves are arranged on the exhaust pipe 3 and the exhaust pipe 3, and the tail end of the inflation pipe 4 is communicated with an air pump;

during detection, firstly, a civil air defense door to be detected is fixed on the open end of a detection box 2, so that the civil air defense door and the detection box 2 form a closed space, then a driving motor 9 in a lifting mechanism is started, a lifting screw rod 6 rotates, a lifting screw sleeve 7 can slide downwards along the rod body of the lifting screw rod 6 through a threaded structure under the limiting action of a limiting slide block 8 and a sliding seam, so that the detection box 2 carrying the civil air defense door is immersed into water in a water tank 1, then a valve on an inflation tube 4 is opened, an air pump is started, inflation is injected into the detection box 2, whether bubbles are generated on the water liquid in the water tank 1 is observed, if the bubbles are generated, the quality of the detected civil air defense door is unqualified, otherwise, no bubbles are qualified;

after the detection is finished, the valve on the exhaust pipe 3 is opened, the gas in the detection box 2 is exhausted, the driving motor 9 is started again at last, the detection box 2 is lifted to the opening from the inside of the water tank 1 in the same way, and the civil air defense door is detached and replaced.

Further, as shown in fig. 2 and 3, it is worth explaining that a self-fixing mechanism is further included on the open end of the detection box 2;

the self-fixing mechanism comprises a bearing seat 10 fixed on the inner wall of the detection box 2 in a rectangular frame shape, a pressing plate 11 rotatably arranged on an opening of the detection box 2, a rotation supply groove 13 arranged on the opening end of the detection box 2 and a rotation supply component arranged in the rotation supply groove 13 and used for controlling the pressing plate 11 to turn over, wherein a pressed transmission component matched with the rotation supply component and used for sensing the weight of the civil air defense door to drive the rotation supply component is arranged on the bearing seat 10;

through the setting from fixed establishment, when installing the people's air defense door, only need directly to wait to detect the people's air defense door and place on the open seat 10 that bears of detection case 2 for receive the gravity drive that the people's air defense door was experienced to the pressurized transmission part and supply to change the part among the fixed establishment, control pressure strip 11 and turn to 2 inboard automatic pressings people's air defense doors of detection case, with this simple structure, need not artifical hard operation, promote work efficiency effectively, the practicality is good.

Specifically, as shown in fig. 3, it is worth explaining that the rotation supply component includes a rotation supply rod 14 horizontally rotatably disposed between the inner walls of the two sides of the rotation supply groove 13, two rotation supply wheels 15 symmetrically sleeved on the rod body of the rotation supply rod 14, a locking sleeve 16 fixed on the periphery of the rotation supply wheel 15, and a locking rod 17 fixedly disposed in the inner side of the locking sleeve 16, one end of the locking rod 17 is fixed with a linkage rod 12, and the tail end of the linkage rod 12 is fixedly connected with the side of the pressure strip 11 away from the opening of the detection box 2;

the compression transmission component comprises a contraction seat 23, a compression rod 24 and a gear 19, wherein the inner part of the contraction seat 23 is a cavity and is vertically fixed on the bottom surface of the bearing seat 10, the compression rod 24 is slidably arranged in the inner side of the contraction seat 23, the gear 19 is fixedly sleeved in the middle of the rod body of the rotating rod 14, one end of the compression rod 24 vertically penetrates through the bearing seat 10 upwards, a reset spring 25 is fixedly connected between the other end of the compression rod 24 and the inner wall of the bottom end of the contraction seat 23, a movable cavity 21 communicated with the inner part of the contraction seat 23 is formed in the inner wall of the detection box 2, a movable plate 22 is slidably arranged in the movable cavity 21, one end of the movable plate 22 is vertically and fixedly connected with the compression rod 24, a rack 20 is fixedly connected to the other end of the movable plate 22, and the rack 20 vertically penetrates into the rotating groove 13 upwards and is meshed with the gear 19;

when a civil air defense door to be detected is placed on the bearing seat 10, the compressed rod 24 in the compressed transmission part can sense the gravity of the civil air defense door, automatically and compressively slides into the contraction seat 23 and compresses the return spring 25, so that the return spring 25 deforms, and in the process that the compressed rod 24 slides into the contraction seat 23, the compressed rod 24 can still synchronously carry the rack 20 to slide into the movable cavity 21 through the movable plate 22, so that the rack 20 is meshed with the gear 19, the rotating rod 14 is controlled to rotate, the rotating rod 14 is further controlled to carry the rotating wheel 15, the locking sleeve 16 and the locking rod 17 to rotate, the pressing plate 11 rotates towards the opening of the detection box 2, and the civil air defense door is pressed tightly;

and utilize reset spring 25's resilience force, treat that the people's air defense door removes the back from bearing the seat 10, receive the pole 24 and receive the gravity extrusion and just disappear, receive the pole 24 and can carry fly leaf 22 and rack 20 to reset under reset spring 25 resilience force effect and slide for supply bull stick 14 antiport, the secondary of being convenient for uses.

Further, as shown in fig. 3, it is worth explaining that a locking screw 18 is threaded through one end of the locking sleeve 16 far away from the rotating wheel 15, and a fixing hole matched with the locking screw 18 is formed on the locking rod 17;

through the setting of locking screw 18, treat to accomplish the people's air defense door and detect the back, only need twist and move locking screw 18, make locking screw 18 withdraw from in the fixed orifices under the effect of helicitic texture, remove the fixed effect to locking rod 17, trace 12 and pressure strip 11 promptly, artifical alright dismantle alone or slide locking rod 17 for pressure strip 11 removes from the people's air defense door, removes the effect that compresses tightly to the people's air defense door, makes things convenient for the dismantlement of people's air defense door with this.

Further, as shown in fig. 2 and fig. 3, it is worth to be noted that the top surfaces of the load bearing seat 10 and the pressure receiving rod 24 are both glued with elastic strips, and the elastic strips are rubber pads;

through the setting of elastic strip, when the pressure strip 11 pushed down the people's air defense door, the deformation just takes place equally in the elastic strip to it is inseparabler to make people's air defense door and bear the laminating between the seat 10, with the inside leakproofness of this reinforcing detection case 2.

To sum up: through the setting from fixed establishment, when installing the people's air defense door, only need directly to detect the people's air defense door and place on the open seat 10 that bears of detection case 2, make the gravity drive that receives the people's air defense door from the pressurized transmission part in the fixed establishment supplies to change the part, control pressure strip 11 and turn to 2 inboard automatic pressing people's air defense doors of detection case, with this simple structure, need not artifical hard operation, promote work efficiency effectively, the practicality is good, through the setting of locking screw 18, after waiting to accomplish people's air defense door and detecting, only need twist locking screw 18, make locking screw 18 withdraw from the fixed orifices under the effect of helicitic texture, promptly remove locking rod 17, interlock 12 and pressure strip 11 fixed effect, artifical alright dismantle alone or slide locking rod 17, make pressure strip 11 remove from the people's air defense door, remove the effect to people's air defense door, with this dismantlement that makes things convenient for people's air defense door, through the setting of elastic strip, when pressing people's air defense door under pressure strip 11, just the same deformation takes place between the inseparable detection case 10, with this inside laminating reinforcing of bearing more closely.

Claims

1. The air tightness detection equipment for the civil air defense door is characterized by comprising a water tank (1), a detection box (2) arranged on the open end of the water tank (1) in a sliding manner, a lifting mechanism arranged on one side of the detection box (2), a pressurizing mechanism arranged on the other side of the detection box (2) and a self-fixing mechanism arranged on the open end of the detection box (2);

from fixed establishment including being rectangle frame form and being fixed in bear seat (10), rotatable set up in on detection case (2) inner wall pressure strip (11), set up in on detection case (2) the uncovered pressure strip (11), set up in supply rotary trough (13) on detection case (2) the opening end and set up in supply the part is changeed in the confession in rotary trough (13), bear be provided with on seat (10) with supply to change part matched with pressurized transmission part.

2. The civil air defense door airtightness detection apparatus according to claim 1, wherein: the supply changes the part including the level rotate set up in supply commentaries on classics supply bull stick (14), two symmetry between groove (13) both sides inner wall cup joint in supply bull stick (14) supply runner (15) on the pole body, be fixed in supply lock sleeve (16) on runner (15) periphery and can fix set up in lock sleeve (16) inboard check lock lever (17), the one end of check lock lever (17) is fixed with trace (12), the end of trace (12) with pressure strip (11) deviate from the open side looks rigid coupling of detection case (2).

3. The civil air defense door airtightness detection apparatus according to claim 2, wherein: compression drive disk assembly including inside be the vertical cavity that is fixed in bear seat (10) shrink seat (23), slide set up in contract the seat (23) in the inboard receive pressure pole (24) and fastening cup joint in supply bull stick (14) gear (19) at pole body middle part, the vertical upwards run through of one end of receiving pressure pole (24) bear seat (10), receive the other end of pressure pole (24) with it has reset spring (25) to contract between seat (23) bottom inner wall, seted up in the inner wall of detection case (2) with contract the inside movable chamber (21) that are linked together of seat (23), it is provided with fly leaf (22) to slide in movable chamber (21), the one end of fly leaf (22) with receive the perpendicular rigid coupling in pressure pole (24) mutually, the other end rigid coupling of fly leaf (22) has rack (20), rack (20) are vertical upwards penetrate supply in the rotary slot (13) and with gear (19) mesh mutually.

4. The civil air defense door airtightness detection apparatus according to claim 2, wherein: one end of the locking sleeve (16) far away from the rotating wheel (15) is threaded with a locking screw (18), and a fixing hole matched with the locking screw (18) is formed in the locking rod (17).

5. The civil air defense door airtightness detection apparatus according to claim 3, wherein: the top surfaces of the bearing seat (10) and the compression rod (24) are glued with elastic strips, and the elastic strips are rubber pads.

6. The civil air defense door airtightness detection apparatus according to claim 1, wherein: elevating system includes the perpendicular to support (5), vertical rotation on water tank (1) open end inner wall set up in support (5) with lifting screw (6) and threaded connection between water tank (1) bottom inner wall in lifting screw (6) pole body on lifting screw (7), lifting screw (7) one side all over the body pass through the support with the lateral wall looks rigid coupling of detection case (2), lifting screw (7) opposite side rigid coupling all over the body has spacing slider (8), vertically on the inside wall of water tank (1) seted up with the sliding seam of spacing slider (8) looks adaptation, vertically on the top surface of support (5) install driving motor (9), the output shaft of driving motor (9) runs through support (5) and with the one end looks rigid coupling of lifting screw (6).

7. The civil air defense door airtightness detection apparatus according to claim 1, wherein: the pressurizing mechanism comprises an exhaust pipe (3) and an inflation pipe (4) which are communicated and fixed on the other side of the detection box (2), the exhaust pipe (3) and the exhaust pipe (3) are all provided with valves, and the tail end of the inflation pipe (4) is communicated with an air pump.