阅读说明：本技术 一种人防门用高强度合金 (High-strength alloy for civil air defense door ) 是由 黄忠良 于 2020-05-11 设计创作，主要内容包括：本发明公开了一种人防门用高强度合金,采用合金钢板作为原料钢板,该合金钢板包括如下成分：1-2.5wt％的铝；0.08-0.15wt％的碳；1-2wt％的锰；0.08-0.2wt％的钛；0.2-0.6wt％的铬；余量铁；对合金钢板进行氮化处理工艺,在合金钢板表面形成耐久渗氮保护层；本发明在合金钢板表面形成耐久渗氮保护层,在确保耐久渗氮保护层具有良好附着力和抗冲击力的基础上,同时使得合金钢板表面具有良好的耐磨性和耐腐蚀性,将该高强度合金应用作为人防门的人防门合金板体,可以进一步提高人防门的安装强度。(The invention discloses a high-strength alloy for a civil air defense door, which adopts an alloy steel plate as a raw material steel plate, and the alloy steel plate comprises the following components: 1-2.5 wt% aluminum; 0.08-0.15 wt% carbon; 1-2 wt% manganese; 0.08-0.2 wt% titanium; 0.2-0.6 wt% chromium; the balance of iron; performing a nitriding treatment process on the alloy steel plate to form a durable nitriding protective layer on the surface of the alloy steel plate; the durable nitriding protective layer is formed on the surface of the alloy steel plate, so that the surface of the alloy steel plate has good wear resistance and corrosion resistance on the basis of ensuring the good adhesive force and impact resistance of the durable nitriding protective layer, and the high-strength alloy is applied to the alloy plate body of the civil air defense door, so that the installation strength of the civil air defense door can be further improved.)

1. The high-strength alloy for the civil air defense door is characterized in that an alloy steel plate is adopted as a raw material steel plate, and the alloy steel plate comprises the following components:

1-2.5 wt% aluminum;

0.08-0.15 wt% carbon;

1-2 wt% manganese;

0.08-0.2 wt% titanium;

0.2-0.6 wt% chromium;

the balance of iron;

and carrying out a nitriding treatment process on the alloy steel plate, and forming a durable nitriding protective layer on the surface of the alloy steel plate.

2. The high-strength alloy for civil air defense doors according to claim 1, wherein the thickness of the durable nitriding protective layer is in the range of 10 to 30 μm, and the thickness of the alloy steel plate is 1 to 5 mm.

3. The high-strength alloy for the civil air defense door according to claim 1, wherein the nitriding treatment process adopts a gas nitriding process, and the gas nitriding process comprises the following operation steps:

A10) carrying out surface physical treatment or chemical treatment on the alloy steel plate, and removing oil stains on the surface of the alloy steel plate;

A20) placing the alloy steel plate after the surface treatment in a nitriding furnace, and injecting ammonia gas into the nitriding furnace, wherein the ammonia gas is subjected to thermal decomposition at the nitriding temperature to obtain a nitrogen monomer, and the nitrogen monomer permeates into the surface of the alloy steel plate to form a durable nitriding protective layer on the surface of the alloy steel plate;

A30) and cooling and taking out to obtain the high-strength alloy for the civil air defense door.

4. The high-strength alloy for the civil air defense door as claimed in claim 3, wherein the nitriding temperature is 560-580 ℃.

5. The high-strength alloy for the civil air defense door as claimed in claim 1, wherein the high-strength alloy for the civil air defense door is used as a civil air defense door alloy plate body of the civil air defense door, the upper end and the lower end of the civil air defense door alloy plate body are respectively arranged in the corresponding slide rails in a sliding way through the rollers, and meanwhile, the bottom of the civil air defense door alloy plate body is provided with a sliding driving component, wherein the sliding driving component comprises a driving mounting plate fixedly mounted at the bottom of the alloy plate body of the civil air defense door, the driving mounting plate is respectively provided with a driving gear and a driven gear which are connected in a meshing way, the driving gear is connected with a driving motor in a driving way, the driven gear is connected with a straight rack arranged at the bottom of the alloy plate body of the civil air defense door in a meshing way, under the driving action of the driving motor, the alloy plate body of the civil air defense door slides in the slide rail to realize selective opening and closing.

6. The high-strength alloy for the civil air defense door according to claim 5, wherein the driving motor is mounted on the driving mounting plate, and an output shaft of the driving motor is fixedly connected with the driving gear; the driven gear can be sleeved on a gear shaft in a relatively rotating mode through a flange bearing, the gear shaft is fixedly installed on the driving installation plate, and meanwhile the driven gear is locked through a nut.

Technical Field

The invention relates to the field of manufacturing of civil air defense doors, in particular to a high-strength alloy for a civil air defense door.

Background

The civil air defense door is a door at the entrance and exit of the civil protection project, the classification of the civil air defense door is more distinct, and the civil air defense door comprises a common single-leaf protective airtight door and a common double-leaf protective airtight door, and the door is shaped earliest and is widely selected. The entrance and exit device has the characteristics of simple structure, reliable operation and convenient maintenance, and is suitable for the entrances and exits of various civil air defense projects. People's air defense door weight is very heavy, and the conventionality all adopts run from opposite directions rotation or singly to open the rotation mode, needs the manual work to open, opens the door and closes the door and hit the people easily, not only has the potential safety hazard, and sealed effect when closing is equally relatively poor.

The applicant therefore wishes to seek technical solutions that improve on the above technical problem.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a high strength alloy for a civil air defense door, wherein a durable nitriding protective layer is formed on a surface of an alloy steel plate, and the surface of the alloy steel plate has good wear resistance and corrosion resistance while ensuring good adhesion and impact resistance of the durable nitriding protective layer, and the high strength alloy is applied as a civil air defense door alloy plate body of the civil air defense door, so as to further improve the installation strength of the civil air defense door.

The technical scheme adopted by the invention is as follows:

a safe and efficient civil air defense door alloy structure comprises a door frame fixedly installed on a wall body, wherein one side opening of the door frame is sealed through the wall body, the other side opening of the door frame is selectively opened and closed through a civil air defense door alloy plate, slide rails are respectively arranged in upper and lower frames of the door frame, the civil air defense door alloy plate can be relatively slidably installed in the slide rails to selectively open and close, the civil air defense door alloy plate comprises a civil air defense door alloy plate body, the upper end and the lower end of the civil air defense door alloy plate body are respectively slidably installed in the slide rails corresponding to the upper and lower frames through rollers, meanwhile, a sliding driving assembly is arranged at the bottom of the civil air defense door alloy plate body, the sliding driving assembly comprises a driving installation plate fixedly installed at the bottom of the civil air defense door alloy plate body, a driving gear and a driven gear which are connected in a meshing manner are respectively installed on the, driven gear is connected with the spur rack meshing of installing in people's air defense door alloy plate body bottom under driving motor's drive effect, people's air defense door alloy plate body is in slide rail slides and realizes the selectivity and open and close.

Preferably, the driving gear has an outer diameter smaller than an outer diameter of the driven gear.

Preferably, the upper end and the lower extreme of people's air defense door alloy plate body are equipped with respectively and are interval distribution's first gyro wheel and second gyro wheel, first gyro wheel and second gyro wheel are installed through the roller shaft respectively on the people's air defense door alloy plate body.

Preferably, the slide rail on the lower frame and the spur rack are distributed in parallel, and the spur rack is located outside relative to the slide rail.

Preferably, the driving motor is a servo motor, and is connected with an operation panel installed on the wall board in a wired manner or is wirelessly connected with an external operation remote controller, so as to realize the opening and closing of the servo motor.

Preferably, the driving motor is mounted on the driving mounting plate, and an output shaft of the driving motor is fixedly connected with the driving gear.

Preferably, the driven gear can be sleeved on a gear shaft in a relatively rotating mode through a flange bearing, and the gear shaft is fixedly installed on the driving installation plate and is locked through a nut.

In consideration of the fact that the existing civil air defense door is poor in durability, prone to rusting and not wear-resistant, and further the protection effect is affected negatively, the service life of the civil air defense door can be affected, in order to improve the strength of the civil air defense door, the invention provides a high-strength alloy for the civil air defense door, which adopts an alloy steel plate as a raw material steel plate, wherein the alloy steel plate comprises the following components:

1-2.5 wt% aluminum;

0.08-0.15 wt% carbon;

1-2 wt% manganese;

0.08-0.2 wt% titanium;

0.2-0.6 wt% chromium;

the balance of iron;

and carrying out a nitriding treatment process on the alloy steel plate, and forming a durable nitriding protective layer on the surface of the alloy steel plate.

Preferably, the thickness of the durable nitriding protective layer ranges from 10 microns to 30 microns, and the thickness of the alloy steel plate ranges from 1 mm to 5 mm.

Preferably, the nitriding treatment process adopts a gas nitriding process, and the gas nitriding process comprises the following operation steps:

A10) carrying out surface physical treatment or chemical treatment on the alloy steel plate, and removing oil stains on the surface of the alloy steel plate;

A20) placing the alloy steel plate after the surface treatment in a nitriding furnace, and injecting ammonia gas into the nitriding furnace, wherein the ammonia gas is subjected to thermal decomposition at the nitriding temperature to obtain a nitrogen monomer, and the nitrogen monomer permeates into the surface of the alloy steel plate to form a durable nitriding protective layer on the surface of the alloy steel plate;

A30) and cooling and taking out to obtain the high-strength alloy for the civil air defense door.

Preferably, the nitriding temperature is 560-.

Preferably, the people's air defense door alloy plate body of high strength alloy conduct people's air defense door for the people's air defense door, the upper end and the lower extreme of people's air defense door alloy plate body are respectively through gyro wheel slidable mounting in the slide rail rather than corresponding, simultaneously people's air defense door alloy plate body bottom is equipped with the slip drive subassembly, wherein, the slip drive subassembly includes fixed mounting and is in the drive mounting panel of people's air defense door alloy plate body bottom, install driving gear and the driven gear that the meshing is connected on the drive mounting panel respectively, the driving gear is connected with the driving motor drive, driven gear is connected with the spur rack meshing of installing in people's air defense door alloy plate body bottom under driving motor's the drive effect, people's air defense door alloy plate body is in slide in the slide rail and realize the.

Preferably, the driving motor is mounted on the driving mounting plate, and an output shaft of the driving motor is fixedly connected with the driving gear; the driven gear can be sleeved on a gear shaft in a relatively rotating mode through a flange bearing, the gear shaft is fixedly installed on the driving installation plate, and meanwhile the driven gear is locked through a nut.

The invention provides a processing method of high-strength alloy for a civil air defense door, the high-strength alloy is used as a civil air defense door alloy plate body of the civil air defense door, the civil air defense door alloy plate body comprises a first alloy plate and a second alloy plate which are provided with a spacing space and are in a flush state, the first alloy plate and the second alloy plate are integrally pressed and mounted with a middle core layer alloy panel positioned in the middle of the spacing space through a cold assembly process, meanwhile, the left end surface core layer alloy inlaid strip and the right end surface core layer alloy inlaid strip which are positioned at the two sides of the spacing space are integrally pressed and installed through a cold assembling process, wherein, the middle core layer alloy inlaid strips respectively form intervals which are distributed in bilateral symmetry with the left end surface core layer alloy inlaid strips and the right end surface core layer alloy inlaid strips, and the upper end and the lower end of the frame are respectively provided with a roller, and the alloy plate body of the civil air defense door is connected with a sliding rail on the door frame in a sliding installation manner through the rollers.

Preferably, the upper and lower end faces of the middle core layer alloy panel, the left end face core layer alloy panel and the right end face core layer alloy panel are opposite to each other, the first alloy plate extends outwards respectively to form a first sealing reinforcing boss clamped with the door frame, and the right end faces of the left end face core layer alloy panel and the right end face core layer alloy panel extend outwards to form a second sealing reinforcing boss clamped with the door frame.

Preferably, the first alloy plate and the second alloy plate are respectively provided with roller mounting holes which are correspondingly matched, mounting shafts are fixedly inserted in the roller mounting holes, and the rollers are mounted on the mounting shafts in a relatively rotatable manner.

Preferably, the cold assembly process comprises freezing the middle core alloy panel, the left end core alloy panel and the right end core alloy panel by using a freezer, wherein the temperature of the freezer is not more than-20 ℃.

Preferably, the cold assembling process comprises the following operation steps:

s10), setting the temperature of the refrigerator at-35 ℃ to-25 ℃;

s20), placing the middle core layer alloy panel to be frozen, the left end surface core layer alloy panel and the right end surface core layer alloy panel in a freezer, wherein the freezing time is not less than 20 minutes, and the freezing effect of the middle core layer alloy panel, the left end surface core layer alloy panel and the right end surface core layer alloy panel is ensured;

s30), taking out the middle core layer alloy panel from the refrigerator and pressing the alloy panel into the middle of the spacing space, and then taking out the left end surface core layer alloy panel and the right end surface core layer from the refrigerator in sequence and laminating the alloy panel and the right end surface core layer into two sides of the spacing space;

s40), and after the middle core layer alloy inlaid strip, the left end surface core layer alloy inlaid strip and the right end surface core layer alloy inlaid strip return to the room temperature, finishing the cold assembly process.

Preferably, be equipped with the slide rail in the last lower frame of door frame respectively, people's air defense door alloy plate body pass through the gyro wheel with slide rail slidable mounting connects and realizes the selectivity and open and close, wherein, people's air defense door alloy plate body bottom is equipped with the mounting groove installation sliding drive subassembly in the mounting groove, sliding drive subassembly includes fixed mounting and is in the drive mounting panel of people's air defense door alloy plate body bottom, install driving gear and the driven gear that the meshing is connected on the drive mounting panel respectively, the driving gear is connected with the driving motor drive, driven gear is connected with the spur rack meshing of installing in people's air defense door alloy plate body bottom under driving motor's the drive effect, people's air defense door alloy plate body is in slide in the slide rail and realize the selectivity and open and close.

Preferably, the first alloy plate and the second alloy plate are made of alloy steel plates, and the alloy steel plates comprise the following components:

1-2.5 wt% aluminum;

0.08-0.15 wt% carbon;

1-2 wt% manganese;

0.08-0.2 wt% titanium;

0.2-0.6 wt% chromium;

the balance of iron;

and carrying out a nitriding treatment process on the alloy steel plate, and forming a durable nitriding protective layer on the surface of the alloy steel plate.

The invention provides a sliding driving assembly arranged at the bottom of an alloy plate body of a civil air defense door, wherein the sliding driving assembly comprises a driving gear and a driven gear which are in meshed connection, the driving gear realizes driving rotation through a driving motor, then transmits driving rotating force to the driven gear through meshed transmission relation, and realizes driving of the alloy plate body of the civil air defense door through meshed connection of the driven gear and a spur rack arranged at the bottom of a door frame, so that the alloy plate body of the civil air defense door selectively slides in a sliding rail of the door frame, and further automatic selective opening and closing of the door frame are realized; the potential safety hazard existing in manual operation is avoided, and meanwhile, the sealing effect in closing is also ensured.

The invention creatively provides an alloy steel plate with 1-2.5 wt% of aluminum and 0.2-0.6 wt% of chromium as a raw material steel plate, and then the alloy steel plate is subjected to a nitriding treatment process, so that a durable nitriding protective layer is formed on the surface of the alloy steel plate.

The invention creatively provides a civil air defense door alloy plate body structure which is formed by using a first alloy plate and a second alloy plate which have an interval space and are in a parallel and level shape as base plate materials of the civil air defense door alloy plate body, integrally press-mounting a middle core layer alloy panel in the middle of the interval space through a cold assembly process, and integrally press-mounting a left end surface core layer alloy panel and a right end surface core layer alloy panel on two sides of the interval space through the cold assembly process, so that the civil air defense door alloy plate body structure is formed, the sound insulation effect can be obviously improved by the double-layer alloy plates distributed at intervals, and the structural strength of the civil air defense door alloy plate body can be further improved by the middle core layer alloy panel, the left end surface core layer alloy panel and the right; the invention further preferably provides a structure that the first sealing reinforcing lug boss and the second sealing reinforcing lug boss which extend outwards are arranged for each core layer alloy panel, so that the structural strength can be improved, and the sealing effect of the alloy plate body of the civil air defense door when the alloy plate body is closed can be further ensured.

Drawings

FIG. 1 is a schematic structural diagram of an alloy structure of a safe and efficient civil air defense door according to an embodiment of the invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural diagram of a civil air defense door alloy plate according to an embodiment of the invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at A;

FIG. 5 is a block diagram of the steps of a gas nitriding process for a high strength alloy for a passenger door according to an embodiment of the present invention;

FIG. 6 illustrates a cold assembly process according to an embodiment of the present invention.

Detailed Description

The embodiment of the invention discloses a high-strength alloy for a civil air defense door, which adopts an alloy steel plate as a raw material steel plate, and the alloy steel plate comprises the following components:

1-2.5 wt% aluminum;

0.08-0.15 wt% carbon;

1-2 wt% manganese;

0.08-0.2 wt% titanium;

0.2-0.6 wt% chromium;

the balance of iron;

and (3) carrying out a nitriding treatment process on the alloy steel plate to form a durable nitriding protective layer on the surface of the alloy steel plate.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.