Multifunctional overpressure exhaust device for mobile platform

Abstract

According to the multifunctional overpressure exhaust device for the motorized platform, the valve plate has automatic and manual adjusting functions, the opening degree of the valve plate can be driven through the motor according to instructions, the internal overpressure of the motorized platform can be automatically adjusted, and when the automatic function fails, the opening degree of the valve plate can be manually adjusted, so that the internal overpressure of the motorized platform can be automatically adjusted. And stable overpressure in the mobile platform is maintained. The device has quick opening and closing functions, can quickly and automatically close the exhaust port when nuclear explosion occurs, and meets the requirements of nuclear explosion radiation protection on the mobile platform orifice part. As a channel connected with the outside, a dual-sealing structure is adopted, the sealing performance is good, and when the mobile platform is connected with the protective entrance, the mobile platform can provide fresh air, a power source and a communication interface for the protective entrance through the multifunctional overpressure exhaust device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to nuclear biological chemical protection technical field, concretely relates to a multifunctional overpressure exhaust device for mobile platform. BACKGROUND

[0002] Global nuclear biological war and threat is increasing, and the nuclear biological protection requirement is higher and higher in war, such as the requirement of nuclear biological protection system fast pressure building capacity, stable overpressure maintaining capacity etc. Therefore, in order to meet the fast pressure building capacity, the new nuclear biological protection system needs to improve the output rated air volume, but due to the inertia and feedback regulation time delay of fan blade rotation, the nuclear biological protection system is difficult to quickly establish stable overpressure. At the same time, the equipment connected with the external environment is generally poor in air tightness, which affects the air tightness of the mobile platform. Therefore, it is urgent to develop an overpressure exhaust device for mobile platform to meet the ability of the mobile platform to quickly adjust and stabilize overpressure, and at the same time have good air tightness with the mobile platform. CONTENT OF UTILITY MODEL

[0003] (1) technical problem to be solved

[0004] The utility model provides a multifunctional overpressure exhaust device for mobile platform to solve the technical problem of meeting the ability of the mobile platform to quickly adjust and stabilize overpressure, and at the same time have good air tightness with the mobile platform.

[0005] (2) technical scheme

[0006] In order to solve the above technical problem, the utility model provides a multifunctional overpressure exhaust device for mobile platform, which comprises an exhaust top plate, a top cover flange, a power supply interface, a communication interface, an exhaust device cavity, a fixed valve plate, a movable valve plate, an exhaust device fixed flange, a cam drive motor, a valve plate drive motor, a spring, a top cover pull rod, a cam, a top rod, a valve plate drive motor gear and a movable valve plate tooth disc, wherein,

[0007] The top of the exhaust device cavity is fixedly connected with the exhaust device fixed flange, and the inner edge of the exhaust device fixed flange extends into the inside of the exhaust device cavity. A plurality of exhaust device fixed holes and protective access flange fixing screw holes are uniformly distributed on the periphery of the exhaust device fixed flange.

[0008] The bottom of the exhaust device cavity is fixedly connected with the fixed valve plate, and the movable valve plate is installed on the upper side of the fixed valve plate through the central rotating shaft. The movable valve plate is located in the inside of the exhaust device cavity, and the fixed valve plate is processed with the opening hole matched with the shape of the movable valve plate. By rotating the movable valve plate, the valve plate opening degree can be adjusted.

[0009] The cam driving motor is installed inside the exhaust device cavity, and the driving rotating shaft of the cam driving motor is connected with the cam; the exhaust top plate is fixedly connected on the top of the top cover flange through the top plate bolts to form a top cover; the top ends of the plurality of top cover pull rods pass through the exhaust device fixing flange and are fixed on the inner side of the top wall of the top cover flange, and the plurality of springs are respectively sleeved on the corresponding top cover pull rods, and the upper and lower ends of each spring are respectively in contact with the lower surface of the exhaust device fixing flange and the nut installed on the bottom end of the top cover pull rod; the top of the top rod is fixed on the inner side of the center position of the top wall of the top cover flange, and the bottom of the top rod is in contact with the outer wall of the cam; when the cam rotates under the driving of the cam driving motor, the cam can lift or lower the top rod through the contour shape, and then drive the top cover to rise or fall as a whole, and the spring can provide a pulling force for the descent of the top cover.

[0010] The valve plate driving motor is installed inside the exhaust device cavity, and the driving rotating shaft of the valve plate driving motor is installed with a valve plate driving motor gear, and the movable valve plate tooth disc is fixedly connected above the movable valve plate, and the valve plate driving motor gear is engaged with the movable valve plate tooth disc; when the valve plate driving motor gear rotates under the driving of the valve plate driving motor, the valve plate driving motor gear can drive the movable valve plate to rotate through the movable valve plate tooth disc, and the electrically adjustable valve plate opening degree is adjusted.

[0011] The navigation plug is fixed inside the exhaust device cavity and is used to supply power for the protective access; the power interface and the communication interface are installed on the outer wall of the exhaust device cavity, the power interface is used to connect with the power in the vehicle and supply power for the cam driving motor, the valve plate driving motor and the navigation plug; the communication interface is used to receive external control instructions to control the cam driving motor and the valve plate driving motor to work.

[0012] Further, the exhaust device fixing holes and the protective access flange fixing screw holes are arranged at intervals.

[0013] Further, the lower side of the fixed valve plate is installed with a knob connected with the bottom end of the rotating shaft, and the knob is located outside the exhaust device cavity and is used to manually rotate the movable valve plate.

[0014] Further, the top cover pull rod has three.

[0015] Further, the gravel barrier net is fixed on the exhaust device fixing flange through the gravel barrier net fixing screw and is used to provide isolation protection for the inside of the exhaust device cavity when the top cover rises.

[0016] Further, the upper surface of the exhaust device fixing flange is provided with an annular groove corresponding to the bottom edge of the top cover flange, and a sealing gasket is bonded in the annular groove, and the sealing gasket is compressed when the top cover is lowered to provide sealing protection for the inside of the exhaust device cavity.

[0017] Further, a plurality of through holes are formed on the protective access inlet air pipe connecting flange to avoid the exhaust device fixing bolts.

[0018] Further, when the mobile platform needs to be connected with the protective access, the exhaust top plate is removed, the protective access inlet air pipe connecting flange is covered on the top cover flange, and the protective access inlet air pipe connecting flange is fixed on the protective access flange fixing screw holes through the inlet air pipe connecting flange bolts.

[0019] (III) Beneficial Effects

[0020] The utility model provides a kind of multifunctional overpressure exhaust device for mobile platform, including exhaust top plate, top cover flange, power interface, communication interface, exhaust device cavity, fixed valve plate, movable valve plate, exhaust device fixed flange, cam drive motor, valve plate drive motor, spring, top cover pull rod, cam, top rod, valve plate drive motor gear and movable valve plate tooth disc.The valve plate in the device has automatic and manual adjusting function, can be driven valve plate opening by motor according to instruction, realize automatic adjustment mobile platform internal overpressure, when automatic function fails, can be adjusted valve plate opening by hand, maintain stable overpressure in mobile platform.The device has quick opening, closing function, when nuclear explosion occurs, can be quickly automatically closed exhaust, meet the requirement of nuclear explosion radiation protection to mobile platform orifice component.As with external connection channel, double sealing structure, sealing performance is good, when mobile platform connects protective access, mobile platform can be provided with fresh air and power, communication interface for protective access by multifunctional overpressure exhaust device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the closing state side view of the utility model multifunctional overpressure exhaust device;

[0022] Figure 2 It is the closing state bottom view of the utility model multifunctional overpressure exhaust device;

[0023] Figure 3 It is the closing state side view of the utility model multifunctional overpressure exhaust device;

[0024] Figure 4 It is the closing state front view of the utility model multifunctional overpressure exhaust device;

[0025] Figure 5 It is the opening state side view of the utility model multifunctional overpressure exhaust device;

[0026] Figure 6 It is the opening state side view of the utility model multifunctional overpressure exhaust device;

[0027] Figure 7The utility model discloses multifunctional overpressure exhaust device opening state main view sectional view,

[0028] Figure 8 The utility model discloses multifunctional overpressure exhaust device removes exhaust roof before plan view,

[0029] Figure 9 The utility model discloses multifunctional overpressure exhaust device removes exhaust roof after plan view,

[0030] Figure 10 The utility model discloses multifunctional overpressure exhaust device connection protective access side view,

[0031] Figure 11 The utility model discloses multifunctional overpressure exhaust device connection protective access plan view. Specific implementation

[0032] In order to make the purpose, content and advantage of the utility model more clearly, below combining with the drawing and example, the specific implementation of the utility model is further described in detail.

[0033] The utility model discloses a multifunctional overpressure exhaust device for motorized platform, the whole structure as Figures 1-9 Shown, mainly includes exhaust roof 1, top cover flange 2, power interface 3, communication interface 4, exhaust device cavity 6, knob 7, fixed valve plate 8, movable valve plate 9, exhaust device fixed flange 12, cam drive motor 13, valve plate drive motor 14, spring 15, top cover pull rod 16, cam 17, top rod 18, valve plate drive motor gear 20, movable valve plate tooth disc 21 and sand gravel barrier net 23.

[0034] The top of exhaust device cavity 6 is fixedly connected with exhaust device fixed flange 12, and the inner edge of exhaust device fixed flange 12 extends into the inside of exhaust device cavity 6.The outer periphery of exhaust device fixed flange 12 is processed with a plurality of exhaust device fixed holes 10 and protective access flange fixed screw holes 11 that are arranged at intervals and uniformly distributed in the circumference.

[0035] The bottom of exhaust device cavity 6 is fixedly connected with fixed valve plate 8, and the movable valve plate 9 is installed above fixed valve plate 8 through the pivot located at the center, and the movable valve plate 9 is located in the inside of exhaust device cavity 6, and the knob 7 is installed below fixed valve plate 8 and connected with the bottom end of the pivot, and the knob 7 is located outside exhaust device cavity 6 and is used for manually rotating movable valve plate 9.The fixed valve plate 8 is processed with the aperture that is matched with the shape of movable valve plate 9, and the valve plate opening degree can be adjusted by rotating movable valve plate 9.

[0036] The cam drive motor 13 is installed inside the exhaust device cavity 6, and the driving shaft of the cam drive motor 13 is connected with the cam 17. The exhaust top plate 1 is fixedly connected to the top of the top cover flange 2 by the top plate bolt 5, forming a top cover 19. The top ends of the three top cover pull rods 16 pass through the exhaust device fixing flange 12 and are fixed to the inner side of the top wall of the top cover flange 2. The three springs 15 are respectively sleeved on the corresponding top cover pull rods 16, and the upper and lower ends of each spring 15 are respectively in contact with the lower surface of the exhaust device fixing flange 12 and the nut installed at the bottom end of the top cover pull rod 16. The top of the top rod 18 is fixed to the center position of the inner side of the top wall of the top cover flange 2, and the bottom of the top rod 18 is in contact with the outer wall of the cam 17. When the cam 17 rotates under the drive of the cam drive motor 13, the cam 17 can lift or lower the top rod 18 through its special profile, and in turn drive the top cover 19 to rise or fall as a whole, and the spring 15 can provide tension for the descent of the top cover 19.

[0037] The gravel screen 23 is fixed to the exhaust device fixing flange 12 by the gravel screen fixing screw 24, and is used to provide isolation protection for the inside of the exhaust device cavity 6 when the top cover 19 rises. The upper surface of the exhaust device fixing flange 12 is provided with an annular groove corresponding to the bottom edge of the top cover flange 2, and a sealing gasket 22 is bonded in the annular groove. By pressing the sealing gasket 22 when the top cover 19 is lowered, the inside of the exhaust device cavity 6 is provided with sealing protection.

[0038] The valve plate drive motor 14 is installed inside the exhaust device cavity 6, and the driving shaft of the valve plate drive motor 14 is installed with a valve plate drive motor gear 20. The movable valve plate tooth disc 21 is fixedly connected above the movable valve plate 9, and the valve plate drive motor gear 20 is engaged with the movable valve plate tooth disc 21. When the valve plate drive motor gear 20 rotates under the drive of the valve plate drive motor 14, the valve plate drive motor gear 20 can drive the movable valve plate 9 to rotate through the movable valve plate tooth disc 21, and the opening of the electrically adjustable valve plate can be adjusted.

[0039] When the mobile platform needs to be connected with a protective entrance, as shown in Figure 10 , the exhaust top plate 1 is removed, the protective entrance air inlet pipe connecting flange 25 is covered on the top cover flange 2, and the protective entrance air inlet pipe connecting flange 25 is fixed on the protective entrance flange fixing screw hole 11 by the air inlet pipe connecting flange bolt 26.

[0040] As shown in Figure 11 , the navigation plug 27 is fixed inside the exhaust device cavity 6, and is used to supply power to the protective entrance. A plurality of through holes 28 are processed on the protective entrance air inlet pipe connecting flange 25, which are used to avoid the exhaust device fixing bolt, so that the exhaust device fixing bolt can be not disassembled, and other functional transformation applications can be carried out.

[0041] The power supply interface 3 and the communication interface 4 are both mounted on the outer wall of the exhaust device cavity 6, the power supply interface 3 is used for connecting with the power supply in the vehicle and supplying power for the cam driving motor 13, the valve plate driving motor 14 and the air plug 27, and the communication interface 4 is used for receiving external control instructions and controlling the working of the cam driving motor 13 and the valve plate driving motor 14.

[0042] The working principle of the multifunctional overpressure exhaust device for the motorized platform is as follows:

[0043] The exhaust device fixing screw is passed through the exhaust device fixing hole 10 on the exhaust device fixing flange 12, the multifunctional overpressure exhaust device is fixed on the threaded hole of the motorized platform, and the upper part of the exhaust device fixing flange 12 of the multifunctional overpressure exhaust device is exposed outside the motorized platform, and the lower part is located inside the motorized platform.

[0044] When the multifunctional overpressure exhaust device is opened, the superior instruction is received through the communication interface 4, the information is transmitted to the cam driving motor 13 and the valve plate driving motor 14, the driving shaft of the cam driving motor 13 rotates counterclockwise, drives the cam 17 to rotate, the cam 17 pushes the jack 18 to the highest position, at this time, the multifunctional overpressure exhaust device top cover 19 is opened; at the same time, the driving shaft of the valve plate driving motor 14 drives the valve plate driving motor gear 20 at the tail end to rotate, the valve plate driving motor gear 20 drives the movable valve plate tooth disc 21 to rotate, the movable valve plate 9 and the fixed valve plate 8 overlap, and the bottom valve plate is opened. According to the pressure demand inside the motorized platform, the overlapping area of the movable valve plate 9 and the fixed valve plate 8 can be adjusted, the valve plate opening degree can be adjusted, and the internal pressure of the motorized platform can be adjusted. When exhaust, the gravel barrier net 23 can block the external gravel outside, so as to avoid that the external gravel splashes into the inside of the multifunctional overpressure exhaust device and damages the equipment. When the movable valve plate 9 is stuck, the bottom valve plate can be opened for exhaust by manually rotating the knob 7.

[0045] When the multifunctional overpressure exhaust device is closed, the superior instruction is received through the communication interface 4, the information is transmitted to the cam driving motor 13 and the valve plate driving motor 14, the driving shaft of the cam driving motor 13 rotates clockwise, drives the cam 17 to rotate, the cam 17 lowers the jack 18 to the lowest position, at the same time, the spring 15 in the compressed state extends to the free state, drives the top cover pull rod 16, accelerates the top cover 19 to fall down, and meets the requirement of quickly closing the orifice.

[0046] If the mobile platform has a connection protective access requirement, open the exhaust roof 1, the protective access air inlet pipe connection flange 25 is fixed on the protective access flange fixing screw hole 11, the protective access cable navigation plug is connected with the navigation plug 27 through the air inlet pipe, and the power supply and communication interaction are provided for the protective access. The protective access air inlet pipe is fixed on the protective access air inlet pipe connection flange 25 through a clamp. At this time, the movable valve plate 9 and the fixed valve plate 8 completely overlap, the valve plate opening is maximum, the mobile platform full air volume is provided for the protective access, and the fresh air requirement of the protective access is met.

[0047] The multifunctional overpressure exhaust device of the utility model can receive instructions through a communication interface, can automatically adjust the opening of the valve plate, can cooperate with the fan to adjust the overpressure value inside the mobile platform in real time and quickly, and can select manual adjustment when the automatic adjustment valve plate function fails. Meanwhile, when a nuclear explosion occurs, the multifunctional overpressure exhaust device can receive instructions through a communication interface, can drive the motor shaft to rotate, can quickly lower the top cover, can close the hole, and can meet the anti-nuclear explosion radiation requirement of the hole. The top cover of the multifunctional overpressure exhaust device is detachable, if the mobile platform is adapted to install the protective access, the top cover is removed, the flange is connected with the protective access air inlet pipe, and the fresh air and power supply of the protective access can be provided. The multifunctional overpressure exhaust device is provided with sealing structures at the top cover and the valve plate, double sealing makes the multifunctional overpressure exhaust device have good sealing performance, and has little influence on the air leakage of the mobile platform.

[0048] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled personnel in the technical field, without departing from the technical principle of the utility model, a plurality of improvements and deformations can be made, and the improvements and deformations should be regarded as the protection range of the utility model.

Claims

1. A multifunctional overpressure exhaust device for a motorized platform, characterized in that, The multifunctional overpressure exhaust device of the motorized platform comprises an exhaust top plate, a top cover flange, a power supply interface, a communication interface, an exhaust device cavity, a fixed valve plate, a movable valve plate, an exhaust device fixed flange, a cam driving motor, a valve plate driving motor, a spring, a top cover pull rod, a cam, a top rod, a valve plate driving motor gear and a movable valve plate tooth disc. The top of the exhaust device cavity is fixedly connected with the exhaust device fixed flange, and the inner edge of the exhaust device fixed flange extends into the interior of the exhaust device cavity. The bottom of the exhaust device cavity is fixedly connected with the fixed valve plate, and the movable valve plate is installed above the fixed valve plate through a rotating shaft located at the center. The cam driving motor is installed in the interior of the exhaust device cavity, and the driving rotating shaft of the cam driving motor is connected with the cam. The exhaust top plate is fixedly connected at the top of the top cover flange through top plate bolts to form a top cover. The top ends of the multiple top cover pull rods pass through the exhaust device fixed flange and are fixed to the inner side of the top wall of the top cover flange, and the multiple springs are respectively sleeved on the corresponding top cover pull rods.

2. The multifunctional overpressure exhaust device for a motorized platform according to claim 1, characterized in that, The top of the top rod is fixed to the center position of the inner side of the top wall of the top cover flange, and the bottom of the top rod is in contact with the outer wall of the cam.

3. The multifunctional overpressure exhaust device for a motorized platform according to claim 1, characterized in that, The valve plate driving motor is installed in the interior of the exhaust device cavity, and the valve plate driving motor gear is installed on the driving rotating shaft of the valve plate driving motor.

4. The multi-functional overpressure exhaust apparatus for a motorized platform according to claim 1, wherein The movable valve plate tooth disc is fixedly connected above the movable valve plate, and the valve plate driving motor gear is engaged with the movable valve plate tooth disc.

5. The multi-functional overpressure exhaust apparatus for a motorized platform according to claim 1, wherein The navigation plug is fixed in the interior of the exhaust device cavity to supply power for the protective access. The power supply interface and the communication interface are installed on the outer wall of the exhaust device cavity. The exhaust device fixed holes and the protective access flange fixed screw holes are arranged at intervals. The bottom of the fixed valve plate is provided with a knob connected with the bottom end of the rotating shaft. The top cover pull rod has three. The gravel barrier is fixed on the exhaust device fixed flange through a gravel barrier fixing screw to provide isolation protection for the interior of the exhaust device cavity when the top cover is lifted up.

6. The multi-functional overpressure exhaust apparatus for a motorized platform according to claim 1, wherein The upper surface of the exhaust device fixing flange is provided with an annular groove corresponding to the bottom edge of the top cover flange, and a sealing gasket is bonded in the annular groove. The sealing gasket is compressed when the top cover is lowered, thereby providing sealing protection for the inside of the exhaust device cavity.

7. The multi-functional overpressure exhaust apparatus for a motorized platform according to claim 1, wherein A plurality of through holes are processed on the protective entrance and exit air inlet pipe connecting flange, which are used to avoid the exhaust device fixing bolts.

8. The multi-functional overpressure exhaust apparatus for a motorized platform according to claim 1, wherein When the motorized platform needs to be connected with the protective entrance and exit, the exhaust top plate is removed, the protective entrance and exit air inlet pipe connecting flange is covered on the top cover flange, and the protective entrance and exit air inlet pipe connecting flange is fixed on the protective entrance and exit flange fixing screw holes through the air inlet pipe connecting flange bolts.

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