Door frame welding frame of civil air defense door

Abstract

The utility model discloses a civil air defense door frame welding frame, and relates to the technical field of civil air defense doors. The air purifier comprises a panel, a positioning assembly and a filtering assembly, filter screens are arranged on the front sides and the rear sides of the two sides of the top of the panel, the bottoms of the filter screens penetrate to the bottom of the panel, the positioning assembly is arranged at the bottom of the panel and comprises a control shell, and a first motor is fixedly connected to the bottom of an inner cavity of the control shell; and screw rods are fixedly connected to the two sides of the output end of the first motor. Through the arrangement of the positioning assembly, the use position of the threaded sleeve and the use position of the first positioning frame can be controlled through cooperation of the first motor and the screw rod, the use position of the second positioning frame can be adjusted through the hydraulic cylinder, the first positioning frame and the second positioning frame can be adjusted according to the specification of a door frame, and side columns of the door frame are positioned; therefore, workers can weld the door frame conveniently, operation is convenient, and the production efficiency of the door frame of the civil air defense door is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil air defense doors, in particular to a welding frame for a civil air defense door. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. Most of them are made of welded steel plates and poured with concrete to withstand shock waves and harmful gases. In the process of making civil defense doors, four steels need to be welded into a frame to facilitate the installation of the door panels. In the process of making civil defense door frames, a civil defense door frame welding frame is needed.

[0003] A Chinese patent application with publication number CN211490228U discloses a civil air defense door frame welding frame, including a frame, on which two parallel A lines and two parallel B lines are provided, and the A lines and the B lines are perpendicular. The frame is provided with at least one set of clamping assemblies on each A line and each B line, and the clamping assemblies include a base plate, two clamping plates slidably connected to the base plate in opposite directions, and a driving assembly for driving the clamping plates to move. The movement direction of the two clamping plates in each set of clamping assemblies on the A line is perpendicular to the A line, and the movement direction of the two clamping plates in each set of clamping assemblies on the B line is perpendicular to the B line. The utility model has the beneficial effect of making it possible to splice and weld steel plates more accurately.

[0004] However, this patent cannot position civil air defense door frames of different specifications. Since the specifications and sizes of different civil air defense door frames are different, once civil air defense door frames of other specifications need to be produced, another set of welding frames needs to be used. The applicability is low and cannot meet the production needs of civil air defense door frames. For this reason, we provide a civil air defense door frame welding frame to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a civil air defense door frame welding frame, which solves the problem that the civil air defense door frame welding frame in the prior art cannot position civil air defense door frames of different specifications, has low applicability, and cannot meet the production requirements of civil air defense door frames through the coordinated arrangement of a positioning component and a filtering component.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a welding frame for a civil air defense door, comprising a panel, a positioning assembly and a filter assembly, wherein the front and rear sides of both sides of the top of the panel are provided with filter screens, and the bottom of the filter screen penetrates to the bottom of the panel;

[0008] The positioning assembly is arranged at the bottom of the panel, and includes a control shell, a first motor is fixedly connected to the bottom of the inner cavity of the control shell, screws are fixedly connected to both sides of the output end of the first motor, a threaded sleeve is sleeved on the surface of the screw, the top of the threaded sleeve penetrates the panel and is fixedly connected to the first positioning frame, the front and rear sides of the top of the panel are fixedly connected to mounting plates, the opposite sides of the two mounting plates are fixedly connected to hydraulic cylinders, and the opposite sides of the two hydraulic cylinders penetrate the mounting plates and are fixedly connected to the second positioning frame;

[0009] The filter assembly is arranged on the front and rear sides of the bottom of the panel, and includes a purification box. Partitions are fixedly connected on both sides of the bottom of the inner cavity of the purification box. A fan is fixedly connected to the bottom of the inner cavity of the purification box. Both ends of the air inlet on the top of the fan are connected to the partition, and the air outlet on the rear side of the fan passes through the outside of the purification box. The inner cavity of the purification box is provided with activated carbon particles.

[0010] The utility model is further configured that a second motor is arranged on the top of the fan, and both sides of the output end of the second motor penetrate the partition and are fixedly connected with stirring blades.

[0011] The utility model is further configured that a disassembly plate is provided on one side of the purification box away from the control shell, and opposite sides of the two disassembly plates are fixedly connected to the purification box by bolts.

[0012] The utility model is further configured that both sides of the bottom of the inner cavity of the control shell are fixedly connected with slide rails, the inner cavity of the slide rails is slidably connected with a slider, and the top of the slider is fixedly connected to the threaded sleeve.

[0013] The utility model is further configured such that openings for use with threaded sleeves are provided on both sides of the top of the panel, and supporting legs are fixedly connected to both sides of the bottom of the purification box.

[0014] The utility model is further configured that the side of the screw rod away from the first motor is movably connected to the inner wall of the control housing through a bearing, and the opposite sides of the two first positioning frames are both threadedly connected with positioning screws.

[0015] The utility model is further configured that the front side and the rear side of both sides of the panel are provided with ventilation openings used in conjunction with the filter screen, and the number of the filter screens is four.

[0016] The utility model is further configured such that the first positioning frame and the second positioning frame are in a U-shape, and locking screws are threadedly connected to opposite sides of the two second positioning frames.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model can control the use position of the threaded sleeve and the first positioning frame through the arrangement of the positioning assembly by the cooperation of the first motor and the screw rod, and can adjust the use position of the second positioning frame through the hydraulic cylinder, so that the first positioning frame and the second positioning frame can be adjusted according to the specifications of the door frame, and the side columns of the door frame can be positioned, thereby facilitating the welding work of the staff, being easy to operate, and improving the production efficiency of the civil air defense door frame.

[0019] 2. The utility model can discharge the air in the purification box through the setting of the filtering component through the fan, and the smoke generated during welding is filtered through the filter and then enters the purification box. The smoke is adsorbed and purified by the activated carbon particles in the purification box to prevent the smoke from floating around and polluting the surrounding environment, thereby increasing the protection effect on the health of the workers and avoiding the workers from working in the smoke for a long time and causing harm to their bodies.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a structural stereogram of a welding frame of a civil air defense door;

[0023] Figure 2 It is a cross-sectional view of a panel and a control shell of a welding frame of a civil air defense door;

[0024] Figure 3 A cross-sectional view of a purification box of a civil air defense door frame welding frame;

[0025] Figure 4 A top view of a panel of a civil air defense door frame welding frame.

[0026] In the accompanying drawings: 1. panel; 2. filter; 3. positioning assembly; 301. control shell; 302. first motor; 303. screw; 304. threaded sleeve; 305. first positioning frame; 306. mounting plate; 307. hydraulic cylinder; 308. second positioning frame; 4. filter assembly; 401. purification box; 402. partition; 403. fan; 404. activated carbon particles; 5. second motor; 6. stirring blade; 7. disassembly plate; 8. slide rail; 9. slider. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0029] See also Figure 1-4 The utility model is a welding frame for a civil air defense door frame, comprising a panel 1, a positioning assembly 3 and a filter assembly 4. The front and rear sides of both sides of the top of the panel 1 are provided with filter screens 2, and the bottom of the filter screen 2 penetrates to the bottom of the panel 1. The positioning assembly 3 is arranged at the bottom of the panel 1, and comprises a control shell 301. The bottom of the inner cavity of the control shell 301 is fixedly connected with a first motor 302. Both sides of the output end of the first motor 302 are fixedly connected with a screw rod 303. The surface of the screw rod 303 is sleeved with a threaded sleeve 304. The top of the threaded sleeve 304 penetrates the panel 1 and is fixedly connected with a first positioning frame 305. The front and rear sides of the top of the panel 1 are fixedly connected with a mounting frame 305. Plate 306, the opposite sides of the two mounting plates 306 are fixedly connected with hydraulic cylinders 307, the opposite sides of the two hydraulic cylinders 307 penetrate the mounting plates 306 and are fixedly connected with second positioning frames 308, the filter assembly 4 is arranged on the front and rear sides of the bottom of the panel 1, including a purification box 401, both sides of the bottom of the inner cavity of the purification box 401 are fixedly connected with partitions 402, the bottom of the inner cavity of the purification box 401 is fixedly connected with a fan 403, both ends of the top air inlet of the fan 403 are connected with the partition 402, the air outlet on the rear side of the fan 403 penetrates to the outside of the purification box 401, and the inner cavity of the purification box 401 is provided with activated carbon particles 404.

[0030] Specifically: the surface of the filter 2 is welded and fixed to the inner wall of the ventilation opening, the surface of the screw 303 is threadedly connected to the threaded sleeve 304, the mounting plate 306 is installed on the top of the panel 1 by bolts, the hydraulic cylinder 307 can adjust the use position of the second positioning frame 308, the partition 402 can isolate the activated carbon particles 404 in the purification box 401, and the fan 403 can discharge the purified flue gas out of the purification box 401. Specific embodiment 2

[0032] See also Figure 1-4On the basis of the specific embodiment 1, a second motor 5 is arranged on the top of the fan 403, and both sides of the output end of the second motor 5 penetrate the partition 402 and are fixedly connected with stirring blades 6, and a disassembly plate 7 is arranged on the side of the purification box 401 away from the control shell 301, and the opposite sides of the two disassembly plates 7 are fixedly connected to the purification box 401 by bolts, and both sides of the bottom of the inner cavity of the control shell 301 are fixedly connected with slide rails 8, and the inner cavity of the slide rails 8 is slidably connected with a slider 9, and the top of the slider 9 is fixedly connected to the threaded sleeve 304.

[0033] Specifically: the stirring blade 6 can cooperate with the second motor 5 to stir the activated carbon particles 404, increase the contact area between the activated carbon particles 404 and the smoke, and improve the adsorption effect of the activated carbon particles 404. The disassembly plate 7 can facilitate the staff to open the purification box 401 and replace the activated carbon particles 404. The slide rail 8 and the slider 9 can limit the threaded sleeve 304 to improve the stability of the threaded sleeve 304 during movement. Specific embodiment three

[0035] See also Figure 1-4 On the basis of the first and second specific embodiments, openings for use with the threaded sleeves 304 are provided on both sides of the top of the panel 1, and support legs are fixedly connected to both sides of the bottom of the purification box 401. The side of the screw 303 away from the first motor 302 is movably connected to the inner wall of the control shell 301 through a bearing, and the opposite sides of the two first positioning frames 305 are threadedly connected with positioning screws. Ventilation openings for use with the filter screen 2 are provided on the front and rear sides of both sides of the panel 1. The number of the filter screens 2 is four. The first positioning frame 305 and the second positioning frame 308 are U-shaped, and the opposite sides of the two second positioning frames 308 are threadedly connected with locking screws.

[0036] Specifically: the opening can facilitate the left and right movement of the threaded sleeve 304 , the support legs can support the purification box 401 , the positioning screws and locking screws can clamp and fix the door frame side columns, and the ventilation opening can facilitate smoke and dust to enter the inner cavity of the purification box 401 .

[0037] The working principle of the utility model is as follows: four door frame side columns are respectively placed in the inner cavity of the first positioning frame 305 and the second positioning frame 308, and then the locking screws and the positioning screws are tightened to fix the side columns in the inner cavity of the first positioning frame 305 and the second positioning frame 308, and then the use positions of the first positioning frame 305 and the second positioning frame 308 are adjusted according to the specifications of the door frame, and the hydraulic cylinder 307 is turned on. The hydraulic cylinder 307 drives the second positioning frame 308 to move, and after adjusting it to the specified position, the first motor 302 is turned on. The first motor 302 cooperates with the screw 303 to drive the threaded sleeve 304 and the first positioning frame 305 to move. After the first positioning frame 305 is moved to the specified position, the staff can carry out welding work. When welding, the fan 403 is turned on, and the welding fume enters the inner cavity of the purification box 401 through the filter 2. The activated carbon particles 404 purify and filter the fume to prevent the fume from affecting the health of the staff.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A civil air defense door frame welding frame, comprising a panel (1), a positioning assembly (3) and a filter assembly (4), characterized in that: The front and rear sides of both sides of the top of the panel (1) are provided with filter screens (2), and the bottom of the filter screen (2) penetrates to the bottom of the panel (1); The positioning assembly (3) is arranged at the bottom of the panel (1), and comprises a control shell (301), the bottom of the inner cavity of the control shell (301) is fixedly connected to a first motor (302), both sides of the output end of the first motor (302) are fixedly connected to screw rods (303), the surface of the screw rod (303) is sleeved with a threaded sleeve (304), the top of the threaded sleeve (304) passes through the panel (1) and is fixedly connected to a first positioning frame (305), the front side and the rear side of the top of the panel (1) are fixedly connected to mounting plates (306), the opposite sides of the two mounting plates (306) are fixedly connected to hydraulic cylinders (307), and the opposite sides of the two hydraulic cylinders (307) pass through the mounting plate (306) and are fixedly connected to a second positioning frame (308); The filter assembly (4) is arranged at the front and rear sides of the bottom of the panel (1), and comprises a purification box (401), both sides of the bottom of the inner cavity of the purification box (401) are fixedly connected with partitions (402), the bottom of the inner cavity of the purification box (401) is fixedly connected with a fan (403), both ends of the air inlet at the top of the fan (403) are connected to the partition (402), the air outlet on the rear side of the fan (403) passes through the outside of the purification box (401), and the inner cavity of the purification box (401) is provided with activated carbon particles (404).

2. The civil air defense door frame welding frame according to claim 1, characterized in that: A second motor (5) is arranged on the top of the fan (403), and both sides of the output end of the second motor (5) penetrate the partition (402) and are fixedly connected with stirring blades (6).

3. The civil air defense door frame welding frame according to claim 1, characterized in that: A disassembly plate (7) is provided on one side of the purification box (401) away from the control housing (301), and opposite sides of the two disassembly plates (7) are fixedly connected to the purification box (401) by means of bolts.

4. The civil air defense door frame welding frame according to claim 1, characterized in that: Both sides of the bottom of the inner cavity of the control housing (301) are fixedly connected with slide rails (8), the inner cavity of the slide rails (8) is slidably connected with a slider (9), and the top of the slider (9) is fixedly connected to the threaded sleeve (304).

5. The civil air defense door frame welding frame according to claim 1, characterized in that: Both sides of the top of the panel (1) are provided with openings for use with the threaded sleeve (304), and both sides of the bottom of the purification box (401) are fixedly connected with support legs.

6. The civil air defense door frame welding frame according to claim 1, characterized in that: The side of the screw rod (303) away from the first motor (302) is movably connected to the inner wall of the control housing (301) via a bearing, and the opposite sides of the two first positioning frames (305) are both threadedly connected with positioning screws.

7. The civil air defense door frame welding frame according to claim 1, characterized in that: The front and rear sides of both sides of the panel (1) are provided with ventilation openings for use with filter screens (2), and the number of the filter screens (2) is four.

8. The civil air defense door frame welding frame according to claim 1, characterized in that: The first positioning frame (305) and the second positioning frame (308) are U-shaped, and locking screws are threadedly connected to opposite sides of the two second positioning frames (308).

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