CN219412375U

CN219412375U - Circular honeycomb aluminum protective equipment for comprehensive pipe rack

Info

Publication number: CN219412375U
Application number: CN202320820622.3U
Authority: CN
Inventors: 黄静华; 张晓辰; 陈昕; 任王军; 王月桂; 郝鲁波; 王会杰; 王帅杰
Original assignee: Changzhou Huadong Civil Air Defence Equipment Co ltd; National Academy of Defense Engineering of PLA Academy of Military Science
Current assignee: Changzhou Huadong Civil Air Defence Equipment Co ltd; National Academy of Defense Engineering of PLA Academy of Military Science
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-25
Anticipated expiration: 2033-04-13

Abstract

The utility model belongs to the field of civil air defense engineering protective equipment, and provides circular honeycomb aluminum protective equipment for a comprehensive pipe rack, which comprises the following components: door frame, door leaf, lock, hinge and electric driving device; the door frame is arranged on the round overhauling hole and/or the base body of the ventilation opening and is used for supporting the door leaf and transmitting load; the door leaf is of a circular structure, and the inner structure of the door leaf comprises an inner panel, an outer panel and a honeycomb aluminum inner core; the honeycomb aluminum inner core adopts a hexahedral honeycomb structure; the outer panel is arranged on the outer side of the door leaf, the inner panel is arranged on the inner side of the door leaf, and the honeycomb aluminum inner core is arranged between the inner panel and the outer panel; a lock is arranged on the door leaf; a locking box is arranged on the door frame; the locking comprises locking heads which are uniformly arranged at intervals of 120 degrees along the circumference of the door leaf; the lock head is matched with the locking box to lock or unlock the door leaf; the door leaf is hinged with the door frame through a hinge; the electric driving device is respectively connected with the lock and the door leaf and is used for realizing the opening and closing of the lock and the door leaf.

Description

Circular honeycomb aluminum protective equipment for comprehensive pipe rack

Technical Field

The utility model belongs to the field of civil air defense engineering protective equipment, and particularly relates to circular honeycomb aluminum protective equipment for a comprehensive pipe rack.

Background

The utility tunnel, namely the utility tunnel of the underground city pipeline, is an important infrastructure and a 'life line' project for guaranteeing the city operation. The access hole is also called an escape hole, and is a hole formed in the utility tunnel for an maintainer to enter and exit the engineering and escape in emergency; the ventilation opening is an opening which is arranged on the utility tunnel and is used for externally ventilating or exhausting smoke, and is generally horizontally arranged.

According to the function division, the protective equipment can be generally divided into a protective door, a protective airtight door, an airtight door, a valve wave-absorbing system and the like; according to the material division, the reinforced concrete protection equipment, the steel structure protection equipment, the composite material protection equipment and the like can be generally classified.

According to the design requirement of the civil air defense, the resistance level of the comprehensive pipe rack protective equipment is considered according to the nuclear weapon and the conventional weapon, and meanwhile, the protective equipment is convenient to produce and install, is easy to maintain, and can realize the rapid conversion of the peace fight state. And, according to the rule of the 5 th item of the guidance opinion about the construction of the urban underground utility tunnel: the engineering structure design of the underground comprehensive pipe rack meets the requirements of earthquake resistance, civil air defense, comprehensive disaster prevention and the like. Therefore, in the design process, the circular honeycomb aluminum protective equipment for the utility tunnel adopts a horizontally-installed circular honeycomb aluminum structure protective airtight door form, and simultaneously, a door leaf driving device and a locking opening and closing device are matched and designed, so that the circular honeycomb aluminum structure protective airtight door is convenient for normal maintenance and operation.

The underground comprehensive pipe rack in China has the advantages that the civil air defense construction is in a starting stage, and the type of the serialized orifice protection equipment specially applied to the comprehensive pipe rack at present is single and the matching is incomplete.

Disclosure of Invention

The utility model provides circular honeycomb aluminum protective equipment for a comprehensive pipe rack, which solves the problem that the protective equipment in the prior art cannot meet the requirements of the comprehensive pipe rack on civil air defense.

In order to achieve the above purpose, the present application provides the following technical solutions:

circular honeycomb aluminum protective equipment for utility tunnel includes: door frame, door leaf, lock, hinge and electric driving device; the door frame is arranged on the round overhauling hole and/or the base body of the ventilation opening and is used for supporting the door leaf and transmitting load; the door leaf is of a circular structure, and the inner structure of the door leaf comprises an inner panel, an outer panel and a honeycomb aluminum inner core; the honeycomb aluminum inner core adopts a hexahedral honeycomb structure; the outer panel is arranged on the outer side of the door leaf, the inner panel is arranged on the inner side of the door leaf, and the honeycomb aluminum inner core is arranged between the inner panel and the outer panel; a lock is arranged on the door leaf; a locking box is arranged on the door frame; the locking device comprises three locking heads, wherein the three locking heads are uniformly arranged at intervals of 120 degrees along the circumference of the door leaf; the lock head is matched with the locking box to lock or unlock the door leaf; the door leaf is hinged with the door frame through the hinge; the electric driving device is respectively connected with the lock and the door leaf and is used for realizing the opening and closing of the lock and the door leaf.

Further, in the circular cellular aluminum protective equipment for a utility tunnel as described above, the door leaf includes a door leaf frame that is provided along a circumferential direction of the door leaf in a thickness direction of the door leaf; one end of the door leaf frame is fixedly connected with the inner panel, the other end of the door leaf frame is fixedly connected with the outer panel, and the door leaf frame, the inner panel and the outer panel enclose a closed space; the hexahedral honeycomb structure is fixedly connected with the inner panel and the outer panel respectively.

Further, in the circular honeycomb aluminum protective equipment for the utility tunnel as described above, the inner panel and the outer panel are both made of an aluminum alloy material; the hinge is made of an aluminum alloy material; the hexahedral honeycomb structure is fixedly connected with the door leaf frame; the wall thickness of the hexahedral honeycomb structure ranges from 0.15 mm to 0.25mm; the side length of the equilateral hexagonal honeycomb of the hexahedral honeycomb structure ranges from 6 mm to 11mm; the hexahedral honeycomb structure, the inner panel, the outer panel and the door leaf frame are fixedly connected into an integral unit.

Further, in the circular honeycomb aluminum protective equipment for a utility tunnel as described above, the hexahedral honeycomb structure has a wall thickness of 0.2mm; the side length of the equilateral hexagonal honeycomb of the hexahedral honeycomb structure is 7mm or 10mm.

Further, in the circular cellular aluminum protective equipment for a utility tunnel as described above, a rib plate is further provided between the inner panel and the outer panel for supporting the inner panel and the outer panel; the rib plate comprises a transverse rib plate and a longitudinal rib plate; the transverse rib is perpendicular to the longitudinal rib; the rib plates are respectively and fixedly connected with the inner panel, the outer panel and the door leaf frame; the transverse rib plates and the longitudinal rib plates form square grids, or the transverse rib plates, the longitudinal rib plates and the door leaf frames form square grids, and the square grids are filled with the honeycomb-shaped aluminum inner cores.

Further, in the circular cellular aluminum protective equipment for the utility tunnel, the side length of the square lattice is 200mm; the hexahedral honeycomb structure is fixedly connected with the rib plates, or the hexahedral honeycomb structure is fixedly connected with the rib plates and the door leaf frame; the rib plate, the inner panel, the outer panel, the hexahedral honeycomb structure and the door leaf frame are fixedly connected into an integral unit.

Further, in the circular cellular aluminum protective equipment for a utility tunnel as described above, the door frame includes a base frame, a first anchoring hook, and a support plate; the base frame is a round frame, is installed on the access hole and/or the vent and is connected with the first anchoring hook, and the first anchoring hook is embedded in the base body of the access hole and/or the vent and is connected with the base frame; the supporting plate is arranged at the top of the base frame and used for supporting the door leaf; the top surface of the base frame is provided with a water guide groove which is obliquely arranged and is inclined downwards towards the outer side of the overhaul port and/or the ventilation port, and the bottom surface of the water guide groove is lower than the top surface of the base frame; the water guide groove is arranged along the circumference of the base frame; the inclination angle of the water guide groove is 1-5 degrees, and the width of the water guide groove is 10-50 cm; the base frame comprises first angle steel, and the first angle steel is round; the first angle steel is provided with the locking box and is used for being matched with the opening and closing of the lock head; the first angle steel is provided with a hinge seat, and the hinge seat is hinged with the door frame through the hinge; the support plate comprises a first support plate and a second support plate, the heights of the first support plate and the second support plate are equal, and the first support plate and the second support plate are coaxially arranged along the circumferential direction of the base frame.

Further, in the circular cellular aluminum protective equipment for the utility tunnel as described above, the hinge includes a base, a second anchoring hook, a hinge base, a door leaf hinge, and a hinge shaft; the base is arranged on the hinge seat of the door frame and is connected with the basal body of the overhaul opening and/or the ventilation opening through the second anchoring hook; the hinge support is arranged on the base, a first support lug and a second support lug are arranged on the hinge support, a first round hole is formed in the first support lug, a second round hole is formed in the second support lug, and the first round hole and the second round hole are coaxially arranged; the door leaf hinge comprises a fixed end and a screwed end, the fixed end is arranged on the door leaf, the screwed end is positioned between the first supporting lug and the second supporting lug, and an elliptical hole is formed in the screwed end; the hinge shaft is inserted into the first round hole, the elliptical hole and the second round hole and used for connecting the door leaf hinge and the hinge seat; the hinged support is fastened with the base, and the door leaf hinge and the door leaf are fastened through bolts; the hinge is made of aluminum alloy.

Further, in the circular cellular aluminum protective equipment for the utility tunnel as described above, the lock includes a first motor, a first decelerator, a turntable, and a connecting rod; the first motor is arranged on the inner panel of the door leaf, one end of the first speed reducer is arranged on the first motor, and the rotary disc is arranged at the other end of the first speed reducer; one end of the connecting rod is hinged with the lock head, and the other end of the connecting rod is hinged with the rotary table; the first motor rotates positively or reversely to drive the first speed reducer to rotate, then the rotary table is linked to rotate clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, so that the lock head is linked to extend into or extend out of the locking box; the lock is made of an aluminum alloy material.

Further, in the circular cellular aluminum protective equipment for the utility tunnel as described above, the lock 5 includes a detachable first crank or first hand wheel, a first decelerator, a turntable, and a connecting rod mounted on the inner panel; the first crank or the first hand wheel is arranged at one end of the first speed reducer, and the rotary disc is arranged at the other end of the first speed reducer; one end of the connecting rod is hinged with the lock head, and the other end of the connecting rod is hinged with the rotary table; the first crank or the first hand wheel rotates positively or reversely to drive the first speed reducer to rotate, then the rotary table is linked to rotate clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, so that the lock head is linked to extend into or extend out of the locking box; the lock is made of an aluminum alloy material.

The technical scheme of the utility model has the following beneficial effects:

the circular honeycomb aluminum protective equipment for the utility tunnel is personal air defense protective equipment which is specially applied to an access hole and/or a ventilation opening of the city utility tunnel. The circular honeycomb aluminum protective device is arranged outside the mouth of the access opening and/or the ventilation opening (usually positioned in the urban road green belt or on the sidewalk) horizontally and is opened outwards. The circular honeycomb aluminum protective equipment mainly plays roles of blocking shock waves and isolating toxic gases in war, is used as an entrance of an maintainer entering and exiting pipe gallery engineering at ordinary times, is used as an escape opening of personnel in engineering in emergency states such as fire disaster or is used for ventilation and fire-fighting smoke discharging at ordinary times, and has the functions of preventing flooding, theft and invasion and the like. The round cellular aluminum protective equipment adopts automatic control, is manual, and has high efficiency, compact layout and small occupied space of a driving system. The round cellular aluminum protective equipment can be opened and closed manually and automatically at the same time, and is provided with a safety device which is easy to open manually when being used internally and difficult to open by non-professional staff when being used externally.

According to the design experience and the technical development foundation of the existing protective equipment, the protective equipment which meets the requirements of resistance performance and sealing performance is provided, and the protective equipment is reasonable in structure, light, flexible, good in corrosion resistance performance, convenient to produce and install and easy to popularize and apply in a large range in urban underground comprehensive pipe gallery engineering. The method can provide efficient and reliable orifice protection measures for the access ports and/or ventilation openings of the utility tunnel engineering, improve the disaster prevention and destruction resistance of the utility tunnel and ensure the safety of personnel and equipment in the engineering. The proposal of the application can solve the urgent engineering need and fill the technical blank in the related field. Meanwhile, the successful conversion application of the utility model is beneficial to implementing the comprehensive pipe rack of national civil air defense delivery, and has the advantages of considering the design requirement of the civil air defense, having wide popularization and application prospect in the construction of the comprehensive pipe rack of China, and having great combat readiness benefit and remarkable economic benefit.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the circular cellular aluminum protective equipment for the utility tunnel of the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A of FIG. 1;

FIG. 3 is a sectional view in the direction B-B of FIG. 1;

FIG. 4 is a view showing the construction of a door leaf of the circular cellular aluminum protective device for a utility tunnel according to the present utility model;

FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 4;

FIG. 6 is a front view of a door leaf of the circular cellular aluminum protective equipment for utility tunnel of the present utility model;

FIG. 7 is a block diagram of the circular cellular aluminum protective equipment for utility tunnel of the present utility model;

FIG. 8 is a close-up cross-sectional view of a circular cellular aluminum protective device for utility tunnel according to the present utility model;

FIG. 9 is a hinged cross-sectional view of the circular cellular aluminum protective equipment for utility tunnel of the present utility model;

FIG. 10 is a view of the hinge structure of the circular cellular aluminum protective equipment for utility tunnel of the present utility model;

FIG. 11 is a block diagram of a water guide tank of the circular cellular aluminum protective equipment for a utility tunnel according to the present utility model;

FIG. 12 is a cross-sectional view of a water guide trough of the circular cellular aluminum protective apparatus for utility tunnel of the present utility model;

FIG. 13 is a strip chart of a sealant for a circular aluminum honeycomb protective device for utility tunnel of the present utility model;

fig. 14 is an enlarged view of a door leaf portion of the circular cellular aluminum protective equipment for a utility tunnel of the present utility model.

The figure number description:

1-a door frame; 15-a first anchoring hook; 16-a first support plate; 17-a second support plate; 18-inclined flat steel; 19-sealing rubber strips; 110-hinge seats; 111-a lock box;

3-door leaf; 35-transverse rib; 37-inner panel; 38-an outer panel; 310-a first embedded plate; 312-first chain hooks; 313-load-bearing gussets; 314-a first door leaf embedded plate; 315-inclined baffle plate; 317-connectors;

5-locking; 51-a first motor; 52-a first decelerator; 53-a turntable; 54-connecting rods; 55-locking head;

6-hinge pages; 61-a base; 62-a hinged support; 63-hinge leaf of door leaf; 64-hinge shaft; 65-a first lug; 66-a second lug;

7-an electric drive; 71-a first push rod;

9-cellular aluminum core.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, the circular cellular aluminum protective equipment for the utility tunnel provided by the utility model is described in detail, wherein fig. 1 is a schematic diagram of the overall structure of the circular cellular aluminum protective equipment for the utility tunnel; FIG. 2 is a cross-sectional view taken along the direction A-A of FIG. 1; FIG. 3 is a sectional view in the direction B-B of FIG. 1;

FIG. 4 is a view showing the construction of a door leaf of the circular cellular aluminum protective device for a utility tunnel according to the present utility model; FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 4; FIG. 6 is a front view of a door leaf of the circular cellular aluminum protective equipment for utility tunnel of the present utility model; FIG. 7 is a block diagram of the circular cellular aluminum protective equipment for utility tunnel of the present utility model; FIG. 8 is a close-up cross-sectional view of a circular cellular aluminum protective device for utility tunnel according to the present utility model; FIG. 9 is a hinged cross-sectional view of the circular cellular aluminum protective equipment for utility tunnel of the present utility model; FIG. 10 is a view of the hinge structure of the circular cellular aluminum protective equipment for utility tunnel of the present utility model; FIG. 11 is a block diagram of a water guide tank of the circular cellular aluminum protective equipment for a utility tunnel according to the present utility model; FIG. 12 is a cross-sectional view of a water guide trough of the circular cellular aluminum protective apparatus for utility tunnel of the present utility model; FIG. 13 is a strip chart of a sealant for a circular aluminum honeycomb protective device for utility tunnel of the present utility model; fig. 14 is an enlarged view of a door leaf portion of the circular cellular aluminum protective equipment for a utility tunnel of the present utility model.

Briefly, the basic technical scheme of the utility model is briefly described as follows:

the utility tunnel that this application provided is with circular honeycomb aluminium protective equipment, include: a door frame 1, a door leaf 3, a lock 5, a hinge 6 and an electric drive 7. The door frame 1 is arranged on a circular overhauling hole and/or vent base body and is used for supporting and fixing the door leaf 3 and transmitting the load of the door leaf 3 to a door frame wall, namely, the door frame 1 can transfer the shock wave load born by the door leaf to the overhauling hole and/or vent base body, angle steel splice welding is adopted in engineering, and the door frame 1 is fixed with the door frame wall in a form of an embedded anchoring hook. The door leaf 3 is of an aluminum material circular structure, the circular structure is more reasonable in stress, and materials are saved; specifically, the inner structure of the door leaf comprises an inner panel 37, an outer panel 38 and a honeycomb aluminum inner core 9, wherein the honeycomb aluminum inner core 9 adopts a hexahedral honeycomb structure; the door leaf also comprises a door leaf frame, wherein the door leaf frame is arranged along the circumferential direction of the door leaf in the thickness direction of the door leaf, one end of the door leaf frame is fixedly connected with the inner panel, the other end of the door leaf frame is fixedly connected with the outer panel, and the door leaf frame, the inner panel and the outer panel enclose a closed space; the outer panel 38 is arranged on the outside of the door leaf, the inner panel 37 is arranged on the inside of the door leaf 3, and the cellular aluminium core 9 is arranged between the inner panel 37 and the outer panel 38. Specifically, the inner panel and the outer panel are made of seven-series aluminum materials and can be welded and fixed with a hexahedral honeycomb structure (namely a honeycomb aluminum inner core 9), that is, the honeycomb aluminum inner core, the door leaf frame, the inner panel and the outer panel are all made of aluminum alloy materials, and the hexahedral honeycomb structure is fixedly connected with the door leaf frame, the inner panel and the outer panel respectively. In a specific example, the hexahedral honeycomb structure is welded to the door jambs, the inner panel, and the outer panel, respectively.

In a specific embodiment, the equilateral hexagonal honeycomb of the hexahedral honeycomb structure has sides ranging from 6 to 8mm, for example 6mm, 7mm, 8mm, preferably 7mm. The hexahedral honeycomb structure is in the form of a thin wall having a wall thickness in the range of 0.15-0.25mm, for example 0.15mm, 0.2mm, 0.25mm, preferably 0.2mm, that is, a hexahedral honeycomb structure having a side length of 6-8mm is welded with an aluminum plate having a thickness of 0.2mm, and then the hexahedral honeycomb structure is fixedly connected with the inner and outer panels, the door leaf frame, respectively, and the hexahedral honeycomb structure, the inner panel, the outer panel, and the door leaf frame are fixedly connected as an integral unit. In a specific example, the hexahedral honeycomb structure is welded to the inner panel, the outer panel and the door leaf frame respectively, and the hexahedral honeycomb structure, the inner panel, the outer panel and the door leaf frame are welded into an integral unit, preferably by brazing.

In another specific embodiment, a rib plate is further arranged between the inner panel and the outer panel and used for supporting the inner panel and the outer panel, the rib plate comprises a transverse rib plate 35 and a longitudinal rib plate, one or more transverse rib plates 35 are arranged along the length direction of the access opening and/or the ventilation opening, one or more longitudinal rib plates are arranged along the width direction of the access opening and/or the ventilation opening, the transverse rib plates 35 are perpendicular to the longitudinal rib plates, and the rib plates are fixedly connected with the inner panel, the outer panel and the door leaf frame respectively. In a specific example, the rib plates are welded and fixed with the inner panel, the outer panel and the door leaf frame respectively. The transverse rib plates 35 and the longitudinal rib plates form square grids, or the transverse rib plates 35, the longitudinal rib plates and the door leaf frames form square grids, the square grids are filled with honeycomb-shaped aluminum inner cores 9, and preferably the side length of the square grids is 200mm, that is, the interval of the transverse rib plates 35 is 200mm, and the interval of the longitudinal rib plates is 200mm; the side length of the equilateral hexagonal honeycomb of the hexahedral honeycomb structure ranges from 9 to 11mm, for example 9mm, 10mm, 11mm, preferably the side length of the equilateral hexagonal honeycomb is 10mm; the hexahedral honeycomb structure is in the form of a thin wall having a wall thickness in the range of 0.15 to 0.25mm, for example, 0.15mm, 0.2mm, 0.25mm, preferably 0.2mm, that is, is welded with an aluminum plate having a thickness of 0.2mm to a hexahedral honeycomb structure having a side length of 9 to 11mm, and then the hexahedral honeycomb structure is fixedly connected to the rib plate, the inner panel, the outer panel, and the door leaf frame, respectively. In a specific example, the hexahedral honeycomb structure is welded and fixed with the rib plate, the inner panel, the outer panel and the door leaf frame respectively; preferably, the welding is brazing. That is, the inner panel, the outer panel, the rib plates, the door leaf frame and the hexahedral honeycomb structure are combined and fixedly connected into a whole unit, so that local stress and whole stress can be applied, the load distribution is uniform and reasonable, the structural strength of the large door leaf 3 can be improved, the aluminum material consumption is reduced, and the structural strength is not reduced while the light-weight design is achieved. In a specific example, the inner panel, the outer panel, the rib plates, the door leaf frame and the hexahedral honeycomb structure are combined and welded into a whole unit.

In general, the sides of an equilateral hexagon of a hexahedral honeycomb structure range from 6 to 11mm, for example 6mm, 7mm, 8mm, 9mm, 10mm, 11mm. In one mode, preferably, the side length of the equilateral hexagon is 7mm, a honeycomb aluminum inner core 9 with a hexahedral honeycomb structure with the side length of 7mm is filled between the inner panel and the outer panel, and the honeycomb aluminum inner core 9 is fixedly connected with the inner panel, the outer panel and the door leaf frame respectively, that is, the honeycomb aluminum inner core, the inner panel, the outer panel and the door leaf frame are fixedly connected into an integral unit. In a specific example, the honeycomb aluminum core 9 is welded and fixed with the inner panel, the outer panel and the door leaf frame respectively, that is, the honeycomb aluminum core, the inner panel, the outer panel and the door leaf frame are welded into an integral unit; in another mode, preferably, the side length of the equilateral hexagon is 10mm, a rib plate is arranged between the inner panel and the outer panel, the transverse rib plate 35 and the longitudinal rib plate form a square, or the transverse rib plate 35, the longitudinal rib plate and the door leaf frame form a square, the square is filled with a honeycomb aluminum inner core 9 with a hexahedral honeycomb structure with the side length of 10mm, preferably, the side length of the square is 200mm, the rib plate is fixedly connected with the inner panel, the outer panel and the door leaf frame respectively, and the hexahedral honeycomb structure is fixedly connected with the rib plate or the hexahedral honeycomb structure is fixedly connected with the rib plate and the door leaf frame, that is, the rib plate, the inner panel, the outer panel, the hexahedral honeycomb structure and the door leaf frame are fixedly connected into an integral unit. In a specific example, the square is preferably 200mm in side length, and the rib plates are welded to the inner panel, the outer panel and the door leaf frame respectively, and the hexahedral honeycomb structure and the rib plates are welded to each other or the hexahedral honeycomb structure and the rib plates and the door leaf frame are welded to each other, that is, the rib plates, the inner panel, the outer panel, the hexahedral honeycomb structure and the door leaf frame are welded to form an integral unit.

The door leaf 3 is a main bearing part of the circular honeycomb aluminum protective equipment, and the door leaf 3 is mainly used for resisting the load of explosion shock waves and blocking the invasion of toxic gas in the war so as to ensure the safety of the engineering, so that the door leaf 3 needs to be designed with enough structural strength.

The door leaf 3 is provided with a locking box 5, and the door frame is provided with a locking box, so that the door leaf 3 and the door frame 1 are reliably fixed, and the sealing performance of the protective equipment and the anti-rebound capability under the action of shock wave load are determined. The lock 5 comprises three lock heads 55, the three lock heads 55 are uniformly arranged at intervals of 120 degrees along the circumference of the door leaf 3, and the three lock heads 55 are matched with the lock box 111 of the door frame to lock or unlock the door leaf. Meanwhile, the number of the connecting rods 54 is three, and the connecting rods correspond to the lock heads 55 one by one.

Hinge 6 is mainly used for supporting the door leaf to overturn around the hinge axle, and guarantees that equipment is opened and closed according to the use demand. That is, the door leaf is hinged to the door frame by a hinge in a circumferential direction along the access opening and/or the ventilation opening. The hinge 6 adopts an oval shaft type. The hinge 6 is made of an aluminum alloy material.

The electric driving device 7 is used for realizing the automatic overturning of the door leaf 3 and the opening and closing process of the locking 5, and the electric driving device 7 is respectively connected with the locking and the door leaf to realize the opening and closing of the locking and the door leaf; the electric driving device mainly comprises a first motor 51, a second motor, a second speed reducer, a first push rod 71, a sensor, a PLC controller and the like, and can accurately and stably control the circular honeycomb aluminum protective device to execute instruction actions according to different working conditions, so that the operation convenience and the use safety of the device are greatly improved.

Specifically, based on the principles of saving civil engineering cost, improving equipment use efficiency and reducing comprehensive pipe gallery fortification cost, the circular honeycomb aluminum protective equipment for the comprehensive pipe gallery is personnel protection protective equipment which is specially applied to urban comprehensive pipe gallery access ports and/or ventilation openings, and is mainly installed on pavement or green belts of sidewalks.

The circular cellular aluminum protective equipment for utility tunnel provided by the present application is discussed in detail below. The circular cellular aluminium protection device comprises the door frame 1, hinge 6, door leaf 3, latch 5 and electric drive 7 mentioned in the above embodiments.

The door leaf 3 is circular in shape so as to obtain the maximum ventilation area, and is in a closed state at ordinary times, and when the door leaf needs to be opened, the door leaf can be opened rapidly under the action of a motor driving mechanism, and can be opened manually. The door leaf level sets up in the outside of access hole and/or vent oral area, outwards opens, and when closing, the top surface of door leaf flushes with the road surface, does not influence personnel and vehicle and passes.

During manufacturing, the door leaf is mainly made of aluminum, specifically, the inner panel 37, the outer panel 38 and the honeycomb aluminum inner core 9 of the door leaf are made of aluminum (namely aluminum plates) through combination welding, specifically, the material is honeycomb aluminum plates, and the honeycomb aluminum plates are much lighter than common steel plates and have the characteristics of energy absorption, shock absorption, damping, sound insulation, corrosion resistance, high temperature resistance, electromagnetic shielding and the like. Through carrying out optimal design to honeycomb size and floor position, can improve the structural strength of door leaf by a wide margin, reduce the material quantity.

The inner panel 37 of the door is positioned on the back wave surface, and the inner panel 37 of the door is provided with a locking seat, a first push rod support and other components. The inner panel 37 surface of the door leaf is also provided with an embedded plate which is mainly used for realizing reliable sealing between the door leaf and the door frame.

The top of door leaf is provided with the lifting hook, and the protective equipment field installation operation of being convenient for is demolishd after the installation. After the door leaf is opened to the maximum angle, in order to avoid the bearing of the first push rod, safety chain hooks are arranged on the door leaf 3 and the door frame 1, and the weight of the door leaf is born through the safety chain after the door leaf is opened.

The circular honeycomb aluminum protective equipment can play a role in blocking shock waves and isolating toxic gases during war, can be used for installing and replacing internal pipelines of comprehensive pipe galleries and repairing personnel of the pipe galleries during normal times, and has the functions of flood prevention, theft prevention, invasion prevention and the like. The utility model adopts an electric driving mode to control the opening, closing and turning of the door leaf 3 through the electric driving device 7, has compact structural layout, small occupied space and high action execution efficiency. The utility model can meet the requirements of resistance performance and sealing performance, has reasonable structure, is convenient for production, is easy to popularize and apply in a large scale in urban underground comprehensive pipe gallery engineering, can provide efficient and reliable orifice protection measures for the comprehensive pipe gallery engineering access opening and/or ventilation opening, and ensures the safety of personnel and equipment in the engineering. The comprehensive pipe rack has the advantages that the protection capability of the comprehensive pipe rack access opening and/or the ventilation opening can be effectively enhanced in engineering application, so that the access opening and/or the ventilation opening can meet the comprehensive pipe rack protection requirements, the disaster prevention and destruction resistance capability of 'life line' engineering is effectively guaranteed, the comprehensive pipe rack has important guiding significance and application value for preserving the urban power in war, and the survivability of important urban conveying pipelines is improved, and has wide popularization and application prospects in construction of comprehensive pipe racks in China, and great combat readiness benefits and remarkable economic benefits.

Further, as shown in fig. 1 to 3, 11 and 12, in the present utility model, the door frame 1 is used to transfer the shock wave load received by the door leaf to the door frame wall. The door frame 1 comprises a base frame, a first anchoring hook 15 and a supporting plate; the base frame is a circular frame mounted on the access opening and/or the vent and connected to the first anchoring hooks 15. During installation, the plurality of first anchoring hooks 15 are embedded in the matrix of the access opening and/or the ventilation opening, the base frame is connected with the first anchoring hooks 15, specifically, the base frame is welded with the first anchoring hooks 15, and is integrally formed with the door frame wall body in an embedded cast-in-place mode with the matrix of the access opening and/or the ventilation opening, that is, the door frame 1 is reliably connected with the wall body through the first anchoring hooks 15. The backup pad is installed at the top of bed frame for support the door leaf, make the door leaf internal surface circumference atress balanced when closing.

Because the utility tunnel access hole and/or the protective equipment level of vent sets up with the road surface, door leaf surface and road surface parallel and level have specially designed a door frame with guiding gutter for avoiding the adhesive tape that the door frame ponding caused to soak the corruption. On the basis of not affecting the structural strength, the difficult problem of easy corrosion and aging of the adhesive tape is well solved. The top surface of the base frame is provided with the water guide groove 112, the water guide groove 112 is obliquely arranged and is inclined downwards towards the outer side of the access opening and/or the vent, namely, the bottom surface of the water guide groove 112 is lower than the top surface of the base frame, rainwater and the like are drained to the outer side of the base frame from the water guide groove 112, so that the sealing structure (mainly the sealing rubber strip 19 and the door leaf sealing strip) is prevented from being soaked and corroded due to water accumulated in the door frame 1, and the problem of corrosion and ageing easiness of the sealing structure is solved. The water guide grooves 112 are arranged along the circumference of the base frame, the number of the water guide grooves 112 is 3-5, such as 3, 4 and 5, the number of the water guide grooves 112 is preferably 4, the water guide grooves are uniformly arranged along the circumference of the base frame, the inclination angle R is 1-5 degrees, such as 1, 2, 3, 4 and 5 degrees, and the inclination angle is preferably 2 degrees; the width L of the water guiding groove is 10cm to 50cm, such as 10, 20, 30, 40, 50cm, preferably 30cm; can lead water to the outside of the door frame 1, and avoid the occurrence of the phenomenon of water accumulation of the door frame 1.

Further, as shown in the figure, in the present utility model, the base frame includes the first angle steel, and the first angle steel is circular, specifically, the first angle steel is welded into a circular shape or integrally formed into a circular shape. The first angle steel cross section is L type, detains in the inboard and the upper surface of access hole and/or vent base member when welding formation circular frame, can form the integral type structure of bed frame and access hole and/or vent base member. The processing length of each angle steel is determined according to the design size requirement of the mouth part. The first angle steel is provided with a locking box 111 which is used for being matched with the opening and closing of the lock head of the locking 2 to provide the insertion position of the door leaf locking 2. The first angle steel is provided with a hinge seat 110 which can reserve an installation position for the hinge 6 and is hinged with the door frame through the hinge. The backup pad includes first backup pad 16 and second backup pad 17, and the height of first backup pad 16 and second backup pad 17 equals, along the coaxial setting of circumference of bed frame, can form the structure of double bracing, guarantees that the internal surface is located the coplanar when closing of door leaf, the atress of balanced door leaf. In a specific embodiment, the first support plate 16 and the second support plate 17 are coaxially arranged.

Further, as shown in fig. 13, in the present utility model, the door frame 1 further includes a flat bar 18 and a joint strip 19. The diagonal flat steel 18 is inclined, and is mounted between the first support plate 16 and the second support plate 17, one end of the diagonal flat steel 18 is connected to the upper surface of the base frame (the upper surface of the first angle steel), and the other end of the diagonal flat steel 18 extends toward the door leaf and is inclined toward the first support plate 16. The inclined flat steel 18 is used for fixing the sealing rubber strip, so that the pressure-bearing surface of the rubber strip is kept in a closed-loop state at the same height, and the sealing performance of the protective equipment is ensured. The first support plate 16, the second support plate 17 and the inclined flat steel 18 are all fixed with the base frame in a welding mode. The height of the flat-steel 18 is smaller than that of the first support plate 16, so that the flat-steel 18 can be prevented from being in contact with a door leaf to cause over positioning. The portions of the second support plate 17 and the diagonal flat bar 18 located above the water guide groove 112 are cut off. The sealing rubber strip 19 is preferably Ethylene Propylene Diene Monomer (EPDM) and has good ageing resistance and oil resistance, and can be matched with a door leaf to achieve good sealing effect. In a specific embodiment, the first support plate 16, the second support plate 17 and the base frame together form a rubber strip groove for accommodating the sealing rubber strip 19, so that the sealing rubber strip 19 is convenient to install, fix and position. The bead seal 19 is mounted between the first support plate 16 and the second support plate 17. In another embodiment, the first support plate 16, and the beveled flat bar 18 together form a joint strip channel for receiving a joint strip 19 for mounting and positioning. The bead 19 is mounted between the first support plate 16 and the beveled flat bar 18.

Further, as shown in fig. 9 and 10, in the present utility model, the hinge 6 includes a base 61, a second anchoring hook (not shown), a hinge base 62, a door hinge 63, and a hinge shaft 64. The base 61 is mounted on the hinge seat 110 of the door frame 1 and is fixedly connected with the base of the access opening and/or the vent opening by a second anchoring hook. The hinge support 62 is installed on the base 61, is equipped with first journal stirrup 65 and second journal stirrup 66 on the hinge support 62, is equipped with first round hole on the first journal stirrup 65, is equipped with the second round hole on the second journal stirrup 66, and first round hole and second round hole coaxial line set up. The door leaf hinge 63 includes a fixed end and a screwed end, the fixed end is mounted on the inner panel of the door leaf, the screwed end is located between the first support lug 65 and the second support lug 66, and an elliptical hole is arranged on the screwed end. Hinge shaft 64 is inserted into the first circular hole, the elliptical hole and the second circular hole, and can movably connect door hinge 63 and hinge support 62 to form a hinge structure. The hinge 63 of the door leaf is provided with an elliptical hole, the hinge support 62 is provided with a first circular hole and a second circular hole respectively, when the door leaf rotates, the door leaf can rotate along the axis of the first circular hole or the second circular hole and can translate along the length direction of the elliptical hole, and the door leaf can be conveniently and freely adjusted in the overturning process. Specifically, when the door leaf is close, can overturn in place earlier, fall along the length direction in oval hole again, the inner surface can extrude joint strip 19 simultaneously when the door leaf is closed promptly for joint strip 19 evenly compresses, guarantees sealed effect. In the installation, the fastening manner between the hinge seat 62 and the base 61 and between the door leaf hinge 63 and the door leaf can be various, such as welding connection, riveting connection, etc., preferably, the hinge seat 62 and the base 61 are fastened and connected through a hexagonal bolt, and a spring washer is installed between the outer hexagonal bolt and the base 61, so that the loosening of the hexagonal bolt can be prevented; the door leaf hinge 63 is fastened to the door leaf by a hexagonal bolt, and a spring washer for preventing the hexagonal bolt from loosening is installed.

In order to reduce the weight and improve the corrosion resistance of the equipment, all parts of the hinge 6 are made of aluminum alloy. The hinge 6 has the advantages of simple structure, compact layout, attractive appearance, easy operation, convenient processing, economy, high efficiency, convenient installation and flexible operation, and can ensure the free and stable opening and closing of the door leaf.

Further, as shown in fig. 1 to 6, in the present utility model, the door leaf 3 includes a door leaf frame, an inner panel 37, an outer panel 38, and a honeycomb aluminum core 9. Wherein the honeycomb aluminum core 9 adopts a hexahedral honeycomb structure.

The inner panel 37 is positioned on the inner side of the door leaf 3 and is respectively connected with the rib plates and the door leaf frame; the outer panel 38 is located on the outer side of the door leaf 3, and serves as a wave-facing surface, and bears most of the shock wave load, and is connected to the rib plate and the door leaf frame, respectively. The inner panel 37 and the outer panel 38 are respectively positioned at two sides of the rib plate, can seal the rib plate, form the flat inner and outer surfaces of the door leaf 3, and reduce the rust speed of the door leaf 3.

The honeycomb aluminum inner core 9 is arranged between the inner panel and the outer panel, and has the characteristics of good energy absorption, shock absorption, damping, sound insulation, corrosion resistance, high temperature resistance, electromagnetic shielding and the like. Through carrying out optimal design to honeycomb size and floor position, can improve the structural strength of door leaf by a wide margin, reduce the material quantity.

In one embodiment, the inner panel 37 is provided with a handle that provides a holding location for the person concerned.

In a specific embodiment, the total thickness of the door leaf of the round honeycomb aluminum protective equipment is 70mm, the panel thickness is 4mm (namely, the thickness of the inner panel and the outer panel is 4 mm), the rib thickness is 4mm, the rib spacing is 200mm, the honeycomb diameter is 10mm, and the honeycomb wall thickness is 0.15mm. The total weight of the door leaf of the round honeycomb aluminum structure protective airtight door with the inner diameter and the net size of 1 meter is 32.8kg.

Further, as shown in fig. 7 and 13, in the present utility model, the door frame is made of a first aluminum groove. The first slot aluminum is circular. The cross sections of the first aluminum grooves are U-shaped, and the first aluminum grooves are preferably welded in a full-welded mode. The lifting hook is arranged on the first groove aluminum, so that the door leaf 3 is convenient to hoist during installation and hoisting, and the lifting hook is removed after installation. The inner panel 37 is provided with a first embedded pressing plate 310, and the first embedded pressing plate 310 can be pressed on the sealing rubber strip 19 when the door leaf 3 is closed, so that reliable sealing is provided between the door leaf 3 and the door frame 1, and the sealing effect is further improved. The inner panel 37 is provided with a first chain hook 312, a third chain hook corresponding to the first chain hook 312 is arranged on the base body of the access opening and/or the vent, an iron chain is arranged between the first chain hook 312 and the third chain hook, when the turnover angle of the door leaf 3 exceeds 90 degrees, the iron chain is under the action of a tensile force to pull the door leaf 3, and the weight of the door leaf 3 can be born after the door leaf 3 is opened to the maximum angle, so that the load bearing of the electric driving device 7 is avoided.

In a specific embodiment, the transverse rib 35 and the longitudinal rib are both i-shaped aluminum, and the two flanges of the i-shape provided on the door leaf 3 respectively abut against the inner panel 37 and the outer panel 38.

The first aluminum groove can be spliced or used in whole sections by adopting a multi-section aluminum material, and preferably, the first aluminum groove is a whole section, so that the structural strength of the aluminum groove can be further improved.

The utility tunnel engineering has certain requirements for gas defense during combat, and has higher requirements for water resistance (rain resistance, flood resistance, reverse flow resistance and the like) at ordinary times, so that the utility tunnel access opening and/or the ventilation opening protective equipment are required to meet the requirements for sealing performance.

Further, as shown in fig. 14, in the present utility model, a tape carrier is mounted on the inner panel 37, and the tape carrier includes a carrier gusset 313, a first door leaf fitting plate 314, a diagonal baffle 315, and a door leaf weather strip. A load-bearing angle plate 313 is mounted on the inner panel 37 at the first aluminum channel for carrying the door leaf seal. The inclined baffle 315 is installed on the bearing angle plate 313 and is obliquely arranged, and can form a groove for containing the door leaf sealing strip with the bearing angle plate 313, so that the door leaf sealing strip can be conveniently installed and positioned. The sealing strip of the door leaf is arranged between the bearing angle plate 313 and the inclined baffle 315, so that the tightness of the door leaf is further improved, and the sealing strip of the door leaf is preferably made of ethylene propylene diene monomer rubber. The door leaf sealing strip is in lap joint contact with the sealing rubber strip 19, the lap joint included angle range is 15-45 degrees, preferably 30 degrees, a closed loop can be formed on the same height with the sealing rubber strip 19, and sealing reliability is guaranteed. When the utility model is sealed. According to the utility model, the sealing structure of the sealing adhesive tape 19 is embedded and pressed by the first embedded pressing plate 310, so that the tightness between the door leaf and the door frame 1 can be ensured, the anti-poison effect is realized in a war, and the waterproof (rain-proof, flood-proof, reverse-flow-proof and the like) effect can be realized in ordinary times. In one embodiment, the various embedded pressing plates are of T-shaped structure.

Further, in a specific embodiment, the utility model further comprises a safety device, wherein the safety device comprises a charging reserved opening, and the charging reserved opening is positioned outside the access opening and/or the ventilation opening. The outer surface of the door leaf 3 is smooth and flat, an opening structure is not arranged, and when the door leaf 3 is opened from the outer side, the door leaf 3 can be controlled to be opened only through plugging and charging the reserved opening electric connection, so that non-professional personnel can be prevented from opening.

Further, as shown in fig. 7 and 8, in a specific embodiment, the lock 5 includes a first motor 51, a first decelerator 52, a turntable 53, a connecting rod 54, and a lock head 55. The lock 5 adopts a linkage bolt type lock. The first motor 51 is mounted on the inner panel 37 of the door leaf, one end (worm wheel) of the first decelerator 52 is mounted on the first motor 51, and the turn plate 53 is mounted on the other end (worm) of the first decelerator 52, that is, the first decelerator 52 is disposed between the first motor 51 and the turn plate 53; the first decelerator 52 can increase the load carrying capacity of the first motor 51. One end of the connecting rod 54 is hinged with the lock head 55, and the other end is hinged with the turntable 53. The first motor 51 rotates forward or reversely to drive the first speed reducer to rotate, then the linkage turntable rotates clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, and the linkage lock head 55 extends into or extends out of the locking box; that is, the first motor 51 rotates forward or backward, and transmits power to the worm shaft, and after the worm shaft is decelerated and moment-increased, the rotating disc 53 can be driven to rotate clockwise or counterclockwise, and the rotating disc 53 can drive the lock head 55 to extend into or out of the locking box 111 through the clockwise or counterclockwise rotation of the connecting rod 54, so that the operation is convenient and the structure is simple. Preferably, the first decelerator 52 is a worm gear decelerator.

In a specific embodiment, the lock 5 further comprises a detachable first crank or first hand wheel mounted on the inner side of the door leaf, wherein the first crank or first hand wheel is connected with one end of the first speed reducer, specifically, the first crank or first hand wheel can be mounted on one end of the first speed reducer, and the turntable is mounted on the other end of the first speed reducer; one end of the connecting rod is hinged with the lock head, and the other end is hinged with the turntable; the first crank or the first hand wheel rotates forward or reversely to drive the first speed reducer to rotate, then the linkage turntable rotates clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, and the linkage lock head 55 extends into or extends out of the locking box; that is, the first crank or the first hand wheel rotates forward or backward, power is transmitted to the first speed reducer, after the moment is increased by the first speed reducer, the first speed reducer drives the turntable 53 to rotate clockwise or anticlockwise, and the turntable 53 can drive the lock head 55 to extend into or extend out of the locking box 111 through the clockwise or anticlockwise rotation of the connecting rod 54. By the above-described linkage mechanism, the manual opening/locking of the lock 5 is further achieved.

In a specific embodiment, as shown in fig. 8, the lock 5 further comprises a detachable first crank or first hand wheel mounted on the outer panel 38 of the door leaf, the first crank or first hand wheel is connected with one end of the first speed reducer, and the turntable is mounted on the other end of the first speed reducer; one end of the connecting rod is hinged with the lock head, and the other end is hinged with the turntable; the first crank or the first hand wheel rotates forward or reversely to drive the first speed reducer to rotate, then the linkage turntable rotates clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, and the linkage lock head 55 extends into or extends out of the locking box; that is, the first crank or the first hand wheel rotates forward or backward, power is transmitted to the first speed reducer, after the moment is increased by the first speed reducer, the first speed reducer drives the turntable 53 to rotate clockwise or anticlockwise, and the turntable 53 can drive the lock head 55 to extend into or extend out of the locking box 111 through the clockwise or anticlockwise rotation of the connecting rod 54. The door outer panel 38 is not normally provided with the first crank or the first hand wheel, and the installation requires a professional to operate.

Further, as shown in fig. 7, in order to ensure the connection strength and the sealing reliability, in the present utility model, three locking heads 55 are provided, which are uniformly arranged at 120 degrees along the circumference of the door leaf 3, and the three locking heads 55 are matched with the locking box 111 to be opened and closed synchronously. Meanwhile, the number of the connecting rods 54 is three, and the connecting rods correspond to the lock heads 55 one by one.

Further, in the present utility model, a spring limiting device (not shown) is further included, and the spring limiting device includes a limiting seat, a limiting shaft, a spring and a roller; the limiting seat is arranged on the inner side of the small door leaf 4 and can provide an installation position for the limiting shaft and the spring; the limiting shaft is in sliding fit with the limiting seat and translates along the limiting seat; the spring is arranged in the limiting seat, one end of the spring is connected with the limiting seat, and the other end of the spring is connected with one end of the limiting shaft; the idler wheel is arranged at the other end of the limiting shaft and is rotatably connected with the limiting shaft. When the locking device 5 is turned from the open state to the locking state, the protruding end (hinged with the connecting rod 54) on the turntable 53 extrudes the roller in the rotating process to cause the limiting shaft to slide in a direction away from the turntable 53, the limiting shaft is sprung out by the force of the spring in the locking process, the protruding end can be clamped below the protruding end on the turntable 53, and therefore the turntable 53 can be prevented from automatically resetting, and the locking reliability of the locking device 5 under the action of vibration load is ensured.

In order to reduce the weight and improve the corrosion resistance of the equipment, all parts of the lock 5 are made of aluminum alloy. The lock 5 is compact in layout, attractive in appearance and easy to operate.

Utility tunnel is a systematic and complex project. On one hand, various important pipelines in the engineering are distributed throughout, so that high requirements on engineering disaster prevention and intrusion prevention are provided for ensuring the safe and stable operation of a pipeline system; on the other hand, the interior space of the pipe rack is narrow, and the escape time in emergency is extremely limited, so that the protection equipment generally meets the requirement of automation. The design of the automatic control system of the comprehensive pipe rack protective equipment is established based on an electric driving technology, a sensor technology and a PLC control technology, and the functions of intelligent environment monitoring, automatic security alarm, emergency escape guidance and the like of the mouth protective equipment can be realized. Because the utility tunnel circular honeycomb aluminum protective equipment adopts the horizontal arrangement, and weight is great, is inconvenient for the manpower to operate, therefore must consider when the design and can the automatic control start and stop. Aiming at the automatic control requirement of pipe rack protective equipment, the utility model provides a control scheme based on a motor driving system.

Further, in a specific embodiment, the electric driving device 7 includes a PLC controller, a transformer, a driver, a second speed reducer, a first push rod 71, and a second motor. The PLC controller can receive the command to provide operation control, accurately and stably control the first motor 51 and the second motor to execute instruction actions according to different working conditions, and can realize automatic control, and the door leaf 3 is opened and closed by one key. The transformer can convert the power supply voltage and current into the voltage and current required by the first motor 51 and the second motor, and power supply conversion is realized. The driver can drive the first motor 51 and the second motor to operate under the control of the PLC controller. The PLC controller is connected with a transformer, the transformer is connected with a driver, and the driver is connected with a second motor and a lock 5 (comprising a first motor).

One end of the first push rod 71 is connected with the door leaf 3, and the other end of the first push rod is connected with the base body of the access opening and/or the ventilation opening, so that the door leaf 3 can be turned on and off by driving the first push rod to stretch under the control of the PLC; the convenience of operation and the safety of use are greatly improved, and the automatic requirement of emergency escape can be met.

The second motor is installed on the inner panel 37 of door leaf for opening and close the power of door leaf, the one end of second motor and second reduction gear is connected, and the other end of second reduction gear is connected with first push rod, and the second motor provides flexible power for first push rod 71 through the second reduction gear, realizes the electronic opening and close of door leaf 3.

In another embodiment, the circular honeycomb aluminum protective device further comprises a second detachable crank or a second hand wheel arranged on the inner side of the door leaf and used for manually opening and closing the door leaf 3. The second crank and the second hand wheel which are detachable can be arranged on the second speed reducer, specifically, the second crank or the second hand wheel is connected with one end of the second speed reducer, the other end of the second speed reducer is connected with the first push rod, and the second crank or the second hand wheel provides telescopic power for the first push rod 71 through the second speed reducer, so that the door leaf 3 is manually opened or closed.

In another embodiment, the circular cellular aluminum protective device further comprises a second detachable crank or a second hand wheel arranged on the outer panel of the door leaf for manually opening and closing the door leaf 3. The detachable second crank and the second hand wheel can be further arranged on the outer panel of the door leaf, and the detachable second crank and the second hand wheel are not arranged at ordinary times and are required to be operated by professionals.

Further, in the present utility model, the first push rod 71 is connected to the door leaf 3 at a side where the door leaf 3 is hinged to the door frame 1. The number of the transformers is two, one is the first motor 51 for transformation, and the other is the second motor for transformation; the first electric machine 51 is preferably a 24V dc electric motor and the second electric machine is preferably a 48V dc electric motor. The drivers are direct current brushless motor drivers, the number of which is two, and the drivers are respectively in one-to-one correspondence with one first motor 51 and one second motor.

Further, in the present utility model, the electric driving device 7 further includes a battery and a remote controller, and can control the opening and closing operation of the door leaf 3 when power is off. Specifically, under the outage condition, the external interface reserved in the battery connection pipe gallery engineering can supply power for the electric driving device 7, at this time, the PLC controller is manually switched to an outage operation mode, and the operation of the first motor 51, the second motor and the first push rod 71 is directly controlled by using the remote controller.

Furthermore, in the utility model, the safety device also comprises various sensors with auxiliary functions, a camera, an indicator light and an alarm, and can achieve the purposes of preventing invasion, monitoring in real time and guiding escape. For example: abnormal entering conditions (explosion, prying, unidentified invasion and the like) can be screened through an acceleration sensor and an angular displacement sensor on the door leaf, and a field image can be timely transmitted back to a monitoring center through an optical fiber network through a camera; an alarm signal (flashing light and/or sounding) can be initiated through the alarm, so that the alarm plays a role in deterring abnormal access; the running condition of the door leaf 3 can be clearly seen through the indicator lamp, and escape can be guided in disaster; through at temperature sensor, to dangerous gas's sensor, the sensor of response smoke sense, can carry out quick discernment warning to natural gas leakage and conflagration condition, in time eliminate possible disaster hidden danger, ensure the safety of engineering inside personnel and equipment. By arranging various sensors, cameras and alarms with auxiliary functions, the utility model can meet the disaster prevention and intrusion prevention monitoring requirements at the access opening and/or the ventilation opening, and realize the functions of intelligent environment monitoring, automatic security alarm, escape guidance and the like at the access opening and/or the ventilation opening.

The application relates to circular honeycomb aluminum structure civil air defense protection equipment applied to an access hole and/or a ventilation opening of an urban underground comprehensive pipe rack. The round honeycomb aluminum protective equipment main body is made of honeycomb aluminum, and has the advantages of simple structure, reliable strength, portability, flexibility, attractive appearance, good anti-corrosion performance, convenient production, installation, use and maintenance and convenient operation. After the circular honeycomb aluminum protective equipment is popularized and applied in engineering, the protective capability of the comprehensive pipe rack access opening and/or the ventilation opening and the ventilation opening can be effectively enhanced, so that the comprehensive pipe rack can meet the requirements of people prevention and fortification, and the disaster prevention and destruction resistance of 'lifeline' engineering is effectively ensured. The method has important practical significance and application value for preserving the urban strength in war and improving the survivability of the urban key conveying pipelines.

It will be apparent to those skilled in the art that the present utility model may be practiced in other embodiments that depart from the spirit or essential characteristics thereof. It is apparent that the present utility model is not limited to the details of the above-described exemplary embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. Circular honeycomb aluminum protective equipment for utility tunnel, its characterized in that includes:

door frame, door leaf, lock, hinge and electric driving device;

the door frame is arranged on the round overhauling hole and/or the base body of the ventilation opening and is used for supporting the door leaf and transmitting load;

the door leaf is of a circular structure, and the inner structure of the door leaf comprises an inner panel, an outer panel and a honeycomb aluminum inner core; the honeycomb aluminum inner core adopts a hexahedral honeycomb structure;

the outer panel is arranged on the outer side of the door leaf, the inner panel is arranged on the inner side of the door leaf, and the honeycomb aluminum inner core is arranged between the inner panel and the outer panel;

a lock is arranged on the door leaf; a locking box is arranged on the door frame;

the locking device comprises three locking heads, wherein the three locking heads are uniformly arranged at intervals of 120 degrees along the circumference of the door leaf;

the lock head is matched with the locking box to lock or unlock the door leaf;

the door leaf is hinged with the door frame through the hinge;

the electric driving device is respectively connected with the lock and the door leaf and is used for realizing the opening and closing of the lock and the door leaf.

2. The circular aluminum honeycomb protection device of claim 1,

the door leaf comprises a door leaf frame, and the door leaf frame is arranged along the circumferential direction of the door leaf in the thickness direction of the door leaf;

one end of the door leaf frame is fixedly connected with the inner panel, the other end of the door leaf frame is fixedly connected with the outer panel, and the door leaf frame, the inner panel and the outer panel enclose a closed space;

the hexahedral honeycomb structure is fixedly connected with the inner panel and the outer panel respectively.

3. The circular aluminum honeycomb protection device of claim 2,

the inner panel and the outer panel are made of aluminum alloy materials;

the hinge is made of an aluminum alloy material;

the hexahedral honeycomb structure is fixedly connected with the door leaf frame;

the wall thickness of the hexahedral honeycomb structure ranges from 0.15 mm to 0.25mm;

the side length of the equilateral hexagonal honeycomb of the hexahedral honeycomb structure ranges from 6 mm to 11mm;

the hexahedral honeycomb structure, the inner panel, the outer panel and the door leaf frame are fixedly connected into an integral unit.

4. The circular aluminum honeycomb protection device of claim 1,

The wall thickness of the hexahedral honeycomb structure is 0.2mm;

the side length of the equilateral hexagonal honeycomb of the hexahedral honeycomb structure is 7mm or 10mm.

5. The circular aluminum honeycomb protection device of claim 2,

a rib plate is arranged between the inner panel and the outer panel and used for supporting the inner panel and the outer panel;

the rib plate comprises a transverse rib plate and a longitudinal rib plate;

the transverse rib is perpendicular to the longitudinal rib;

the rib plates are respectively and fixedly connected with the inner panel, the outer panel and the door leaf frame;

the transverse rib plates and the longitudinal rib plates form square grids, or the transverse rib plates, the longitudinal rib plates and the door leaf frames form square grids, and the square grids are filled with the honeycomb-shaped aluminum inner cores.

6. The circular aluminum honeycomb protection device of claim 5,

the side length of the square is 200mm;

the hexahedral honeycomb structure is fixedly connected with the rib plates, or the hexahedral honeycomb structure is fixedly connected with the rib plates and the door leaf frame;

the rib plate, the inner panel, the outer panel, the hexahedral honeycomb structure and the door leaf frame are fixedly connected into an integral unit.

7. The circular aluminum honeycomb protection device of claim 1,

the door frame comprises a base frame, a first anchoring hook and a supporting plate;

the base frame is a round frame, is installed on the access hole and/or the vent and is connected with the first anchoring hook, and the first anchoring hook is embedded in the base body of the access hole and/or the vent and is connected with the base frame; the supporting plate is arranged at the top of the base frame and used for supporting the door leaf;

the top surface of the base frame is provided with a water guide groove which is obliquely arranged and is inclined downwards towards the outer side of the overhaul port and/or the ventilation port, and the bottom surface of the water guide groove is lower than the top surface of the base frame;

the water guide groove is arranged along the circumference of the base frame; the inclination angle of the water guide groove is 1-5 degrees, and the width of the water guide groove is 10-50 cm;

the base frame comprises first angle steel, and the first angle steel is round;

the first angle steel is provided with the locking box and is used for being matched with the opening and closing of the lock head;

the first angle steel is provided with a hinge seat, and the hinge seat is hinged with the door frame through the hinge;

the support plate comprises a first support plate and a second support plate, the heights of the first support plate and the second support plate are equal, and the first support plate and the second support plate are coaxially arranged along the circumferential direction of the base frame.

8. The circular aluminum honeycomb protection device of claim 1,

the hinge comprises a base, a second anchoring hook, a hinge seat, a door leaf hinge and a hinge shaft;

the base is arranged on the hinge seat of the door frame and is connected with the basal body of the overhaul opening and/or the ventilation opening through the second anchoring hook;

the hinge support is arranged on the base, a first support lug and a second support lug are arranged on the hinge support, a first round hole is formed in the first support lug, a second round hole is formed in the second support lug, and the first round hole and the second round hole are coaxially arranged;

the door leaf hinge comprises a fixed end and a screwed end, the fixed end is arranged on the door leaf, the screwed end is positioned between the first supporting lug and the second supporting lug, and an elliptical hole is formed in the screwed end;

the hinge shaft is inserted into the first round hole, the elliptical hole and the second round hole and used for connecting the door leaf hinge and the hinge seat;

the hinged support is fastened with the base, and the door leaf hinge and the door leaf are fastened through bolts;

the hinge is made of aluminum alloy.

9. The circular aluminum honeycomb protection device of claim 1,

The lock comprises a first motor, a first speed reducer, a rotary table and a connecting rod;

the first motor is arranged on the inner panel of the door leaf, one end of the first speed reducer is arranged on the first motor, and the rotary disc is arranged at the other end of the first speed reducer;

one end of the connecting rod is hinged with the lock head, and the other end of the connecting rod is hinged with the rotary table;

the first motor rotates positively or reversely to drive the first speed reducer to rotate, then the rotary table is linked to rotate clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, so that the lock head is linked to extend into or extend out of the locking box;

the lock is made of an aluminum alloy material.

10. The circular aluminum honeycomb protection device of claim 1,

the lock (5) comprises a detachable first crank or a first hand wheel, a first speed reducer, a rotary table and a connecting rod which are arranged on the inner panel;

the first crank or the first hand wheel is arranged at one end of the first speed reducer, and the rotary disc is arranged at the other end of the first speed reducer; one end of the connecting rod is hinged with the lock head, and the other end of the connecting rod is hinged with the rotary table;

The first crank or the first hand wheel rotates positively or reversely to drive the first speed reducer to rotate, then the rotary table is linked to rotate clockwise or anticlockwise, and then the connecting rod is driven to rotate clockwise or anticlockwise, so that the lock head is linked to extend into or extend out of the locking box;

the lock is made of an aluminum alloy material.