Production process of civil air defense door with steel door leaf

Abstract

The invention discloses a steel door leaf civil air defense door production technology which specifically comprises the following steps that firstly, cut materials are assembled on a platform in a welding mode to form a frame of a civil air defense door, and then concrete pouring is conducted on the prepared frame on the platform; secondly, after concrete pouring is completed, a sliding groove conducts high-frequency reciprocating lifting motion, concrete is vibrated, the sliding groove moves along with a linear motor, comprehensive vibration and surface trowelling of the concrete are achieved, during trowelling, the sliding groove is fixed through meshing of a gear and a rack, one-time trowelling treatment can be conducted on the surface of the concrete, and the construction efficiency is improved. Relates to the technical field of civil air defense door production, and solves the problems that when a civil air defense door is produced through an existing technology, repeated manual operation is needed for concrete treatment, maintenance equipment above the concrete needs to be repeatedly welded, cut and removed, procedures are complex, time and labor are wasted, the production efficiency is reduced, and the production cost is increased.

Description

Technical Field

[0001] The invention relates to the technical field of civil air defense door production, and in particular to a production process of a steel door leaf civil air defense door. Background Art

[0002] During the production process of existing civil air defense doors, since concrete is poured between two panels, the frame and door panel are easily corroded during the curing process, affecting the structural strength of the civil air defense door in the later stage. The invention patent with application number CN202010002249.1 discloses a production process for steel door leaf civil air defense doors. The thin film formed after the perchlorethylene resin plastic solution is dried is used to isolate water vapor, making it difficult for the frame to rust during the curing process. After the curing is completed, the panel is welded, which makes the panel not easy to rust.

[0003] Although this process has the above advantages, it still has the following defects in actual production: 1) When vibrating and leveling concrete, the existing equipment requires manual operation, and the equipment needs to be replaced for repeated operations, which is time-consuming, labor-intensive and inefficient; 2) When maintaining the concrete, the heat conduction plate needs to be welded first, and then cut and removed after it is finalized, which is not only time-consuming and labor-intensive but also increases production costs.

[0004] Therefore, it is necessary to solve the shortcomings of the existing technology. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a production process for steel door leaf civil air defense doors, which solves the problem that when producing civil air defense doors with the prior art, the treatment of concrete requires repeated manual operations, and the maintenance equipment above the concrete needs to be repeatedly welded, cut and removed, resulting in a complicated, time-consuming and labor-intensive process, thereby reducing production efficiency and increasing production costs.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A production process of a steel door leaf civil air defense door, specifically comprising the following steps: Step 1: Assemble the cut materials into a frame of the adult door on the platform by welding, and then pour concrete on the prepared frame on the platform; Step 2: After the concrete pouring is completed, the chute vibrates the concrete through high-frequency reciprocating lifting and lowering motion, and follows the linear motor to achieve comprehensive vibration of the concrete and surface smoothing. During the smoothing process, the chute is fixed by the meshing of the gear and the rack, and the concrete surface can be smoothed once. After smoothing, the concrete on the chute surface is dried by the heating strip and cleaned by the grinding wheel. Step 3: After cleaning, the slide groove fits the pull rod, and the pull rod is adsorbed by the electromagnet to make it move with the slide groove, so that the cover cloth is stretched, and then the output end of the adjustment rod and the lifting rod are extended at the same time, so that the cover cloth covers the concrete surface for maintenance. After maintenance, the torsion spring rebounds to make the drum wind the cover cloth, and the scraper cleans the surface of the cover cloth; Step 4: After the concrete is set, remove the frame from the platform and weld the panels to both sides of the frame.

[0007] Preferably, it includes: Platform for assembling civil air defense door frames and pouring concrete; A vibrating and stroking mechanism, which is arranged above the platform and is used for vibrating concrete and smoothing the surface. The vibrating and stroking mechanism includes a slide, the interior of the slide is movably connected with a support plate, the outer surface of the support plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating rod through a coupling, the outer surface of the rotating rod is penetrated and fixedly connected with a cam, the outer surface of the cam is movably connected with a heating strip, the outer surface of the heating strip is fixedly connected to the interior of the slide, the outer surface of the heating strip is fixedly connected with a buffer rod, and the outer surface of the buffer rod is fixedly connected to the outer surface of the support plate; A locking assembly, which is arranged outside the support plate and is used to lock the position of the slide slot so as to smooth the surface of the poured concrete; A covering component is arranged outside the chute and is used for maintenance above the concrete.

[0008] Preferably, two gantries are provided on the outside of the slide slot, and the two gantries are respectively provided on both sides of the outer surface of the platform, a slide rail is fixedly connected between the outer surfaces of the two gantries, a linear motor is movably connected to the outer surface of the slide rail, a rotating cylinder is fixedly connected to the outer surface of the linear motor, and a lifting rod is fixedly connected to the output end of the rotating cylinder, and the output end of the lifting rod is fixedly connected to the outer surface of the support plate.

[0009] Preferably, the locking assembly includes a dual-axis motor, the outer surface of the dual-axis motor is fixedly connected to the outer surface of the support plate, both ends of the dual-axis motor are fixedly connected to gears, the outer surface of the gear is movably connected to a rack, one end of the rack is fixedly connected to the inside of the slide groove, the other end of the rack is embedded and fixedly connected to a rebound rod, the output end of the rebound rod is fixedly connected to a tooth block, and the outer surface of the tooth block is meshed with the outer surface of the gear.

[0010] Preferably, the outer surface of the rack is movably connected with a resist bar, one end of which is fixedly connected to the outer surface of the support plate, and the outer surface of the resist bar is provided with a slot, the inner part of the slot is movably connected with two blocks, and the outer surfaces of the two blocks are respectively fixedly connected to the outer surfaces of the rack and the tooth block.

[0011] Preferably, a cleaning unit is provided on the outside of the rack, and the cleaning unit includes a fixed plate, the outer surface of the fixed plate is fixedly connected to the outer surface of the gantry on one side, a telescopic rod is fixedly connected through the body of the fixed plate, a sliding cover is fixedly connected to the output end of the telescopic rod, the top of the sliding cover is movably connected to the bottom of the slide groove, and a spring tube is passed through the interior of the sliding cover.

[0012] Preferably, a fixing strip is fixedly connected to the interior of the sliding cover, a cleaning motor is fixedly connected to the body of the fixing strip, a grinding wheel is fixedly connected to the output end of the cleaning motor, the outer surface of the grinding wheel is rotatably connected to the interior of the sliding cover, and the outer surface of the grinding wheel is movably connected to the bottom of the slide groove.

[0013] Preferably, the covering assembly includes a pull strip, the outer surface of the pull strip is movably connected to the outer surface of the slide slot, the outer surface of the pull strip is embedded with an electromagnet fixedly connected, the electromagnet is fixedly connected to the slide slot by magnetic adsorption, the outer surface of the pull strip is fixedly connected to a cover cloth, the cover cloth includes a thermal insulation cloth, a heating mesh and a waterproof cloth, the edges of the thermal insulation cloth and the waterproof cloth are fixed by sewing, and the heating mesh is arranged between the outer surfaces of the thermal insulation cloth and the waterproof cloth.

[0014] Preferably, a storage unit is provided on the outside of the cover cloth, and the storage unit includes a reel, the outer surface of the reel is fixedly connected to one end of the cover cloth, the outer surface of the reel is sleeved with a fixed groove, the interior of the fixed groove is embedded with a rotating shaft, the outer surface of the rotating shaft is penetrated and fixedly connected with the body of the reel, and the outer side of the rotating shaft is sleeved with a torsion spring, and the two ends of the torsion spring are respectively fixedly connected to the interior of the fixed groove and the outer surface of the reel.

[0015] Preferably, an adjusting rod is fixedly connected to the outer surface of the fixing groove, and the outer surface of the adjusting rod is fixedly connected to the outer surface of the gantry on the other side, a scraper is fixedly connected to the inside of the fixing groove, and the outer surface of the scraper is movably connected to the outer surface of the cover cloth, and the outer surface of the fixing groove is fixedly connected to a fixing frame, and the outer surface of the fixing frame is connected to an insert strip by an interference fit, and the outer surface of the insert strip is fixedly connected to the outer surface of the pull strip.

[0016] Beneficial Effects The present invention provides a production process for a steel door leaf civil air defense door. Compared with the prior art, it has the following beneficial effects: (1) By setting up a vibrating mechanism and utilizing the repeated lifting and lowering motion of the slideway and the horizontal motion of the linear motor, the poured concrete can be fully vibrated and the concrete surface can be smoothed, thereby avoiding manual operation and improving production efficiency.

[0017] (2) By setting up a locking assembly, the tooth block is connected to the rack by a rebound rod, and the output end of the rebound rod is used to make it extend and retract, so that the rack can follow the slide groove to rise and fall. At the same time, the slide groove can be locked and fixed by the meshing of the gear and the rack, and the rebound rod is prevented from continuously bearing the weight of the slide groove, which causes the elasticity of the rebound rod to weaken and affect the locking effect of the slide groove.

[0018] (3) By setting up a cleaning unit, the sliding cover is driven by the telescopic rod to slide along the bottom of the chute, and the solidified concrete at the bottom of the chute is ground by the rotation of the grinding wheel, so as to clean the bottom of the chute and avoid the uneven surface of the chute, which affects the subsequent smoothing of the concrete.

[0019] (4) By setting up a covering component, the pull rod and the slide groove can be magnetically fixed using an electromagnet, so that the cover cloth can be stretched and evenly covered on the top of the concrete, thereby avoiding the problem of repeated welding, cutting and dismantling operations and improving production efficiency.

[0020] (5) By setting up a storage unit, the torsion spring rebounds to reverse the reel and rewind the cover cloth, so that the cover cloth can be stored. During the rewinding process, the contact between the scraper and the cover cloth can be used to clean the surface of the cover cloth, thereby preventing the cover cloth from curling up. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the external structure of the present invention; Figure 2 A three-dimensional diagram of the internal structure of the chute of the present invention; Figure 3 A three-dimensional diagram of the internal structure of the anti-slip bar of the present invention; Figure 4 A three-dimensional diagram of the internal structure of the sliding cover of the present invention; Figure 5 A three-dimensional diagram of the external structure of the brace of the present invention; Figure 6 This is a front view of the internal structure of the cover cloth of the present invention; Figure 7 It is a three-dimensional diagram of the internal structure of the fixing groove of the present invention.

[0022] In the figure: 1, platform; 2, slide; 3, covering assembly; 31, pull bar; 32, electromagnet; 33, cover cloth; 331, insulation cloth; 332, heating mesh; 333, waterproof cloth; 34, storage unit; 341, reel; 342, fixed groove; 343, rotating shaft; 344, torsion spring; 345, adjustment rod; 346, scraper; 347, fixed frame; 348, insert strip; 4, support plate; 5, locking assembly; 51, dual-axis motor; 52, gear; 53, gear strip; 54, cleaning unit; 541, fixing plate; 542, telescopic rod; 543, sliding cover; 544, spring tube; 545, fixing strip; 546, cleaning motor; 547, grinding wheel; 55, rebound rod; 56, tooth block; 57, stop strip; 58, slot; 59, block; 6, driving motor; 7, rotating rod; 8, cam; 9, heating strip; 10, buffer rod; 11, gantry; 12, slide rail; 13, linear motor; 14, rotary cylinder; 15, lifting rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-7 The present invention provides a technical solution: a production process of a steel door leaf civil air defense door: specifically comprising the following steps: Step 1: Assemble the cut materials into a frame of the adult defense door on the platform 1 by welding, and spray the surface of the frame with a perchlorethylene resin plastic solution. After the solution dries, fix the frame on the platform 1 through the existing fixed sleeve structure, and then pour concrete on the prepared frame on the platform 1; Step 2: After the concrete pouring is completed, the chute 2 vibrates the concrete through high-frequency reciprocating lifting and lowering motion, and moves along with the linear motor 13 to achieve comprehensive vibration of the concrete and surface smoothing. During the smoothing process, the chute 2 is fixed by the meshing of the gear 52 and the rack 53, and the concrete surface can be smoothed once. After smoothing, the concrete on the surface of the chute 2 is dried by the heating strip 9, and cleaned by the grinding wheel 547. Step 3: After cleaning, the chute 2 is attached to the pull rod 31, and the pull rod 31 is adsorbed by the electromagnet 32 ​​to make it move with the chute 2, so that the cover cloth 33 is stretched, and then the adjustment rod 345 and the output end of the lifting rod 15 are extended at the same time, so that the cover cloth 33 covers the concrete surface for maintenance. After maintenance, the torsion spring 344 rebounds so that the reel 341 winds up the cover cloth 33, and the scraper 346 cleans the surface of the cover cloth 33; Step 4: After the concrete is set, remove the frame from the platform 1, grind the welding points between the frame and the fixed sleeve, and weld the panels to both sides of the frame.

[0025] Embodiment 1: Refer to the attached manual Figure 1 , Attachment Figure 2 ; The utility model comprises a platform 1, the top of which is embedded with an existing heating net and an insulating heat-conducting plate, a vibration and stroking mechanism is arranged outside the platform 1, and the vibration and stroking mechanism comprises a slide 2, the slide 2 is made of a pressure-resistant, wear-resistant and corrosion-resistant material, and a magnetic material is embedded inside the slide 2, a support plate 4 is movably connected inside the slide 2, a driving motor 6 is fixedly connected to the outer surface of the support plate 4, a rotating rod 7 is fixedly connected to the output end of the driving motor 6 through a coupling, a cam 8 is fixedly connected to the outer surface of the rotating rod 7, a plurality of cams 8 are arranged at equal distances along the axial direction of the rotating rod 7, and a plurality of cams 8 are arranged at equal angles along the radial direction of the rotating rod 7 to increase the contact frequency provided by one rotation of the rotating rod 7, a heating strip 9 is movably connected to the outer surface of the cam 8, the heating strip 9 is electrically connected to the external control circuit, and a pressure-resistant, wear-resistant, insulating and heat-conducting protection measure is arranged outside the slide 2, so as to heat the slide 2, so as to facilitate the drying of the concrete attached to the bottom of the slide 2, thereby facilitating the removal of the attached concrete, and the outer surface of the heating strip 9 is fixedly connected to the inside of the slide 2, and the heating strip 9 is fixedly connected to the outside of the slide 2. The outer surface of the hot strip 9 is fixedly connected with a buffer rod 10, and the buffer rod 10 is made of an existing spring rod to facilitate the resetting of the slide 2. The outer surface of the buffer rod 10 is fixedly connected to the outer surface of the support plate 4. Two gantries 11 are arranged on the outside of the slide 2. The bottom of the gantry 11 can be provided with a universal wheel with a lock, so that the gantry 11 can drive the slide 2 to move and process the concrete cast on the frames on different platforms 1. The two gantries 11 are respectively arranged on both sides of the outer surface of the platform 1. A slide rail 12 is fixedly connected between the outer surfaces of the two gantries 11. The outer surface of the slide rail 12 is movably connected with a linear motor 13. The linear motor 13 has a self-locking function and is electrically connected to an external control circuit. The outer surface of the linear motor 13 is fixedly connected with a rotating cylinder 14, and the rotating cylinder 14 is connected to the external control circuit. The output end of the rotating cylinder 14 is fixedly connected with a lifting rod 15, and the lifting rod 15 is made of an existing electric push rod and is electrically connected to the external control circuit. The output end of the lifting rod 15 is fixedly connected to the outer surface of the support plate 4.

[0026] In this embodiment, the welding and assembly of the frame is completed on the platform 1, and the surface of the frame is sprayed with a perchlorethylene resin plastic solution, and then the frame is fixed on the platform 1 through a fixed sleeve structure, and then concrete is poured on the frame. Then the output end of the lifting rod 15 is extended, so that the bottom of the slide 2 is close to the concrete, and then the driving motor 6 drives the cam 8 to rotate through the rotating rod 7. The cam 8 moves and abuts against the heating strip 9, so that the slide 2 moves downward and contacts the concrete and the frame. Then the output end of the buffer rod 10 rebounds and drives the slide 2 to reset, thereby realizing the vibration treatment of the concrete through high-frequency lifting and lowering movement. Then the linear motor 13 moves along the slide rail 12, so that the slide 2 fully vibrates the concrete. After vibration, the output end of the lifting rod 15 is extended so that the slide 2 keeps in contact with the concrete surface, and the concrete surface is smoothed with the movement of the linear motor 13. Then the slide 2 rises and resets, and the concrete attached to its surface is dried by energizing the heating strip 9 to generate heat.

[0027] Embodiment 2: Based on Embodiment 1, refer to the attached Figure 2 , Attachment Figure 3 ; The support plate 4 is provided with a locking assembly 5 on the outside. The locking assembly 5 includes a double-axis motor 51. The double-axis motor 51 is made of a servo motor and is electrically connected to an external control circuit. The outer surface of the double-axis motor 51 is fixedly connected to the outer surface of the support plate 4. Both ends of the double-axis motor 51 are fixedly connected to a gear 52. The outer surface of the gear 52 is movably connected to a rack 53. One end of the rack 53 is fixedly connected to the inside of the slide slot 2. The other end of the rack 53 is embedded and fixedly connected to a rebound rod 55. The rebound rod 55 is made of an existing spring rod. The output end of the rebound rod 55 is fixedly connected to the outer surface of the support plate 4. A tooth block 56 is fixedly connected, and the outer surface of the tooth block 56 meshes with the outer surface of the gear 52. The outer surface of the rack 53 is movably connected with a bar 57, and the bar 57 provides support. One end of the bar 57 is fixedly connected to the outer surface of the support plate 4. A groove 58 is provided on the outer surface of the bar 57. Two blocks 59 are movably connected inside the groove 58. The cross-section of the block 59 is T-shaped to enhance the supporting effect of the bar 57 on the rack 53 and the tooth block 56. The outer surfaces of the two blocks 59 are fixedly connected to the outer surfaces of the rack 53 and the tooth block 56 respectively.

[0028] In this embodiment, when the slide 2 needs to move up and down, the dual-axis motor 51 drives the gear 52 to rotate forward, and through the meshing of the gear 52 and the rack 53, the slide 2 moves downward until the gear 52 and the tooth block 56 are in contact and disengage from the rack 53. Due to the setting of the rebound rod 55, the extension and retraction of its output end facilitates the lifting and lowering movement of the slide 2 and the rack 53. When the slide 2 needs to be fixed in place, the dual-axis motor 51 drives the gear 52 to rotate in the opposite direction, and the gear 52 pushes the tooth block 56 to rise and stretches the output end of the rebound rod 55. When the output end of the rebound rod 55 reaches the extension limit, the gear 52 contacts the rack 53, thereby synchronizing the rack 53 to push the slide 2 upward, thereby achieving the locking and fixing effect on the slide 2.

[0029] Embodiment 3: Based on Embodiment 2, refer to the attached Figure 1 , Attachment Figure 4 ; A cleaning unit 54 is provided on the outside of the rack 53. The cleaning unit 54 includes a fixing plate 541. The outer surface of the fixing plate 541 is fixedly connected to the outer surface of the gantry 11 on one side. A telescopic rod 542 is fixedly connected to the body of the fixing plate 541. The telescopic rod 542 is made of an existing electric push rod and is electrically connected to an external control circuit. A sliding cover 543 is fixedly connected to the output end of the telescopic rod 542. The top of the sliding cover 543 is movably connected to the bottom of the slide groove 2. A spring tube 544 is connected to the inside of the sliding cover 543. The spring tube 544 is elastically connected to the output end of the telescopic rod 542. The sliding cover 543 is flexible and retractable to facilitate the movement of the sliding cover 543, and one end is connected to the external negative pressure equipment. The interior of the sliding cover 543 is fixedly connected with a fixing strip 545, and the body of the fixing strip 545 is fixedly connected with a cleaning motor 546. The cleaning motor 546 is electrically connected to the external control circuit. The output end of the cleaning motor 546 is fixedly connected with a grinding wheel 547, and the surface of the grinding wheel 547 is provided with bristles to remove dry concrete. The outer surface of the grinding wheel 547 is rotatably connected to the interior of the sliding cover 543, and the outer surface of the grinding wheel 547 is movably connected to the bottom of the slide groove 2.

[0030] In this embodiment, when it is necessary to clean the concrete attached to the bottom of the chute 2, the output end of the rotating cylinder 14 rotates so that the chute 2 and the slide rail 12 remain parallel up and down, and then the linear motor 13 drives the chute 2 to move to the top of the slide cover 543, and makes one side of the bottom of the chute 2 located directly above the grinding wheel 547, and then the output end of the lifting rod 15 extends, so that the chute 2 descends and contacts the grinding wheel 547 and the slide cover 543, and at the same time, the cleaning motor 546 drives the grinding wheel 547 to rotate, and the dry concrete at the bottom of the chute 2 is cleaned, and the external negative pressure equipment collects the cleaned concrete powder through the slide cover 543 and the spring tube 544, and at the same time, the output end of the telescopic rod 542 extends, so that the slide cover 543 drives the grinding wheel 547 to slide along the bottom of the chute 2, thereby achieving comprehensive cleaning of the bottom of the chute 2.

[0031] Embodiment 4: Based on Embodiment 3, refer to the attached Figure 1 , Attachment Figure 5 , Attachment Figure 6 ; A covering component 3 is arranged on the outside of the slide 2, and the covering component 3 includes a pull rod 31, and the outer surface of the pull rod 31 is movably connected to the outer surface of the slide 2, and an electromagnet 32 ​​is embedded and fixedly connected to the outer surface of the pull rod 31, and the electromagnet 32 ​​is electrically connected to the external control circuit, and the electromagnet 32 ​​is fixedly connected to the slide 2 by magnetic adsorption, and the outer surface of the pull rod 31 is fixedly connected to a cover cloth 33, and the cover cloth 33 includes a thermal insulation cloth 331, a heating mesh 332 and a waterproof cloth 333, and the thermal insulation cloth 331 is made of polyester cloth and thermal insulation fluff, and the heating mesh 332 is mesh-shaped and electrically connected to the external control circuit, and can be sewn and fixed to the thermal insulation cloth 331 to improve stability, and the waterproof cloth 333 is provided with a Teflon coating on the side in contact with the concrete, and a thermal conductive insulating coating on the side in contact with the heating mesh 332, and the edges of the thermal insulation cloth 331 and the waterproof cloth 333 are fixed by sewing, and the heating mesh 332 is arranged between the outer surfaces of the thermal insulation cloth 331 and the waterproof cloth 333.

[0032] In this embodiment, during the solidification process of concrete, the chute 2 fits with the pull rod 31 through movement, the electromagnet 32 ​​is energized to generate magnetism, and through the magnetic attraction with the magnetic material inside the chute 2, the pull rod 31 is attached to the surface of the chute 2, and then the pull rod 31 follows the movement of the chute 2 to make the cover cloth 33 unfold, and by descending, the cover cloth 33 covers the top of the concrete, and then the insulation cloth 331 can achieve insulation of the top of the concrete, and at the same time, the heating mesh 332 is energized to generate heat, and the concrete is heated through the transfer of the waterproof cloth 333 to facilitate its solidification.

[0033] Embodiment 5: Based on Embodiment 4, refer to the attached Figure 1 , Attachment Figure 7 ; A storage unit 34 is provided on the outside of the cover cloth 33, and the storage unit 34 includes a reel 341, the outer surface of the reel 341 is fixedly connected to one end of the cover cloth 33, the outer surface of the reel 341 is sleeved with a fixed groove 342, the interior of the fixed groove 342 is embedded with a rotating shaft 343, the outer surface of the rotating shaft 343 is penetrated and fixedly connected to the body of the reel 341, the outer surface of the rotating shaft 343 is sleeved with a torsion spring 344, the two ends of the torsion spring 344 are respectively fixedly connected to the interior of the fixed groove 342 and the outer surface of the reel 341, the outer surface of the fixed groove 342 is fixedly connected to an adjusting rod 345, and the adjusting rod 345 is It is made of an existing electric push rod and is electrically connected to an external control circuit. The outer surface of the adjusting rod 345 is fixedly connected to the outer surface of the gantry 11 on the other side. The interior of the fixing groove 342 is fixedly connected with a scraper 346, and the scraper 346 can scrape the concrete attached to the surface of the cover cloth 33 to keep the surface of the cover cloth 33 clean. The outer surface of the scraper 346 is movably connected to the outer surface of the cover cloth 33. The outer surface of the fixing groove 342 is fixedly connected with a fixing frame 347. The outer surface of the fixing frame 347 is connected with an insertion strip 348 through an interference fit. The outer surface of the insertion strip 348 is fixedly connected to the outer surface of the pull rod 31.

[0034] In this embodiment, when the pull strip 31 pulls the cover cloth 33, the reel 341 drives the rotating shaft 343 to reverse to release the cover cloth 33, and at the same time compresses the torsion spring 344. When the cover cloth 33 needs to be rolled up, the slide groove 2 drives the pull strip 31 to reset, and the torsion spring 344 rebounds to make the reel 341 reverse to roll up the cover cloth 33. At the same time, the scraper 346 contacts the surface of the cover cloth 33, which can not only clean its surface, but also keep it flat, thereby preventing the cover cloth 33 from curling up and affecting the rolling and causing damage to the heating mesh 332. At the same time, when the pull strip 31 is completely reset and fits with the fixing groove 342, the insertion strip 348 on the pull strip 31 is connected with the fixing frame 347 by interference fit, thereby achieving the stability of the connection between the pull strip 31 and the fixing groove 342.

[0035] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A production process for a steel door leaf civil air defense door, characterized in that: The specific steps include: Step 1: Assemble the cut materials into a frame of the adult door on the platform (1) by welding, and then pour concrete on the prepared frame on the platform (1); Step 2: After the concrete pouring is completed, the chute (2) vibrates the concrete through high-frequency reciprocating lifting and lowering motion, and moves along with the linear motor (13) to achieve comprehensive vibration of the concrete and surface smoothing. During the smoothing, the chute (2) is fixed by the meshing of the gear (52) and the rack (53), and the concrete surface can be smoothed once. After smoothing, the concrete on the surface of the chute (2) is dried by the heating strip (9), and cleaned by the grinding wheel (547); Step 3: After cleaning, the slide groove (2) is attached to the pull bar (31), and the pull bar (31) moves along the slide groove (2) through the adsorption of the electromagnet (32), so that the cover cloth (33) is stretched, and then the adjustment rod (345) and the output end of the lifting rod (15) are extended at the same time, so that the cover cloth (33) covers the concrete surface for maintenance. After maintenance, the torsion spring (344) rebounds so that the reel (341) winds up the cover cloth (33), and at the same time, the scraper (346) cleans the surface of the cover cloth (33); Step 4: After the concrete is set, remove the frame from the platform (1) and weld the panels to both sides of the frame.

2. The production process of a steel door leaf civil air defense door according to claim 1, characterized in that: include: A platform for assembling the air defense door frame and pouring concrete (1); A vibrating and stroking mechanism, the vibrating and stroking mechanism being arranged above the platform (1) for vibrating concrete and smoothing the surface, the vibrating and stroking mechanism comprising a slide groove (2), the interior of the slide groove (2) being movably connected to a support plate (4), the outer surface of the support plate (4) being fixedly connected to a drive motor (6), the output end of the drive motor (6) being fixedly connected to a rotating rod (7) via a coupling, the outer surface of the rotating rod (7) being penetrated and fixedly connected to a cam (8), the outer surface of the cam (8) being movably connected to a heating strip (9), the outer surface of the heating strip (9) being fixedly connected to the interior of the slide groove (2), the outer surface of the heating strip (9) being fixedly connected to a buffer rod (10), the outer surface of the buffer rod (10) being fixedly connected to the outer surface of the support plate (4); A locking assembly (5), the locking assembly (5) being arranged outside the support plate (4) and used for locking the position of the slide groove (2) so as to smooth the surface of the poured concrete; A covering component (3) is arranged outside the chute (2) and is used for maintenance above the concrete.

3. The production process of a steel door leaf civil air defense door according to claim 2, characterized in that: Two gantries (11) are arranged outside the slide groove (2), and the two gantries (11) are respectively arranged on both sides of the outer surface of the platform (1), and a slide rail (12) is fixedly connected between the outer surfaces of the two gantries (11), and a linear motor (13) is movably connected to the outer surface of the slide rail (12), and a rotary cylinder (14) is fixedly connected to the outer surface of the linear motor (13), and the output end of the rotary cylinder (14) is fixedly connected to a lifting rod (15), and the output end of the lifting rod (15) is fixedly connected to the outer surface of the support plate (4).

4. The production process of a steel door leaf civil air defense door according to claim 3 is characterized in that: The locking assembly (5) comprises a dual-axis motor (51), the outer surface of the dual-axis motor (51) is fixedly connected to the outer surface of the support plate (4), both ends of the dual-axis motor (51) are fixedly connected to a gear (52), the outer surface of the gear (52) is movably connected to a rack (53), one end of the rack (53) is fixedly connected to the inside of the slide groove (2), the other end of the rack (53) is embedded and fixedly connected to a rebound rod (55), the output end of the rebound rod (55) is fixedly connected to a tooth block (56), and the outer surface of the tooth block (56) is meshed with the outer surface of the gear (52).

5. The production process of a steel door leaf civil air defense door according to claim 4, characterized in that: The outer surface of the rack (53) is movably connected to a stop bar (57), one end of which is fixedly connected to the outer surface of the support plate (4), the outer surface of the stop bar (57) is provided with a slot (58), the interior of the slot (58) is movably connected to two blocks (59), and the outer surfaces of the two blocks (59) are respectively fixedly connected to the outer surfaces of the rack (53) and the tooth block (56).

6. The production process of a steel door leaf civil air defense door according to claim 4, characterized in that: A cleaning unit (54) is arranged outside the rack (53), and the cleaning unit (54) comprises a fixing plate (541), the outer surface of the fixing plate (541) is fixedly connected to the outer surface of a gantry (11) on one side, a telescopic rod (542) is fixedly connected to the body of the fixing plate (541), a sliding cover (543) is fixedly connected to the output end of the telescopic rod (542), the top of the sliding cover (543) is movably connected to the bottom of the slide groove (2), and a spring tube (544) is passed through and communicated with the interior of the sliding cover (543).

7. The production process of a steel door leaf civil air defense door according to claim 6, characterized in that: The interior of the sliding cover (543) is fixedly connected to a fixing strip (545), the body of the fixing strip (545) is penetrated and fixedly connected to a cleaning motor (546), the output end of the cleaning motor (546) is fixedly connected to a grinding wheel (547), the outer surface of the grinding wheel (547) is rotatably connected to the interior of the sliding cover (543), and the outer surface of the grinding wheel (547) is movably connected to the bottom of the sliding groove (2).

8. The production process of a steel door leaf civil air defense door according to claim 3, characterized in that: The covering component (3) comprises a pull bar (31), the outer surface of the pull bar (31) is movably connected to the outer surface of the slide groove (2), an electromagnet (32) is embedded and fixedly connected to the outer surface of the pull bar (31), the electromagnet (32) is fixedly connected to the slide groove (2) by magnetic adsorption, the outer surface of the pull bar (31) is fixedly connected to a cover cloth (33), the cover cloth (33) comprises a heat-insulating cloth (331), a heating mesh (332) and a waterproof cloth (333), the edges of the heat-insulating cloth (331) and the waterproof cloth (333) are fixed by sewing, and the heating mesh (332) is arranged between the outer surfaces of the heat-insulating cloth (331) and the waterproof cloth (333).

9. The production process of a steel door leaf civil air defense door according to claim 8, characterized in that: A storage unit (34) is arranged on the outside of the cover cloth (33), and the storage unit (34) includes a reel (341), the outer surface of the reel (341) is fixedly connected to one end of the cover cloth (33), the outer surface of the reel (341) is sleeved with a fixing groove (342), the interior of the fixing groove (342) is embedded with a rotating shaft (343), the outer surface of the rotating shaft (343) is fixedly connected to the body of the reel (341), and the outer surface of the rotating shaft (343) is sleeved with a torsion spring (344), and the two ends of the torsion spring (344) are respectively fixedly connected to the interior of the fixing groove (342) and the outer surface of the reel (341).

10. The production process of a steel door leaf civil air defense door according to claim 9, characterized in that: The outer surface of the fixing groove (342) is fixedly connected to an adjusting rod (345), the outer surface of the adjusting rod (345) is fixedly connected to the outer surface of the gantry (11) on the other side, the interior of the fixing groove (342) is fixedly connected to a scraper (346), the outer surface of the scraper (346) is movably connected to the outer surface of the cover cloth (33), the outer surface of the fixing groove (342) is fixedly connected to a fixing frame (347), the outer surface of the fixing frame (347) is connected to an insert (348) by interference fit, and the outer surface of the insert (348) is fixedly connected to the outer surface of the pull rod (31).

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