Positioning and supporting device of civil air defense door

Abstract

The utility model discloses a positioning and supporting device of a civil air defense door, and particularly relates to the technical field of civil air defense doors, the positioning and supporting device comprises a positioning frame, an inner box is fixedly connected to the inner wall of the positioning frame, a supporting table is fixedly connected to the inner wall of the inner box, two positioning assemblies are arranged at the top of the inner box, and a lifting assembly is arranged in the inner box. The two positioning assemblies are arranged left and right with the center of the inner box as the symmetry point, and each positioning assembly comprises a moving table. According to the positioning and supporting device of the civil air defense door, the positioning assembly is arranged, specifically, the positions of the two movable tables are adjusted according to the length of a steel plate needing to be welded, the steel plate is fixed to the center of the top of the movable tables through the two clamping plates, and therefore direct contact between a person and the high-temperature steel plate is avoided; scalding accidents can be effectively prevented, it can be ensured that the steel plate cannot move in the welding process, and a foundation is laid for follow-up installation and use performance of the civil air defense door.

Description

TECHNICAL FIELD

[0001] The utility model relates to a people's air defense door technical field, especially a positioning support device of people's air defense door. BACKGROUND

[0002] The people's air defense door is a special door installed at the entrance and exit of the air defense project, mainly used for protecting people's life and property safety and providing safe refuge for personnel in war, natural disaster or other emergency situations. It can block shock waves, isolate toxic agents, prevent radiation, etc., and has multiple functions such as protection and sealing, and is an important part of the air defense project.

[0003] The door frame of the people's air defense door is usually spliced and welded by multiple section steels or steel plates. During welding, the staff manually presses the steel plate for fixation. Since high temperature is generated during welding, it is difficult to completely avoid the risk of being scalded even if protective gloves are worn. Long-term contact with high-temperature steel plates may cause serious hand scalding. Moreover, manual pressing cannot guarantee that the steel plate always maintains accurate position during welding, which may cause slight displacement or shaking, resulting in low dimensional accuracy of the welded door frame and affecting the overall installation and use performance of the people's air defense door. Therefore, the positioning support device of the people's air defense door is proposed to solve the above problems. SUMMARY

[0004] The main purpose of the utility model is to provide a positioning support device of the people's air defense door, which can effectively solve the above problems.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A positioning support device of the people's air defense door, comprising a positioning frame, an inner box fixedly connected to the inner wall of the positioning frame, a support table fixedly connected to the inner wall of the inner box, two positioning assemblies provided on the top of the inner box, and a lifting assembly provided inside the inner box.

[0007] Preferably, the two positioning assemblies are symmetrically arranged left and right with the center of the inner box as the symmetric point, the positioning assembly comprises a moving table, one end of the moving table close to the center of the inner box is clamped to the outer surface of the support table, two sliding rods are fixedly connected to the bottom of the moving table, and two connecting frames are slidingly connected to the outer surfaces of the two sliding rods.

[0008] Preferably, the top of each connecting frame is fixedly connected to the bottom of the support table, and the end of each connecting frame away from the support table is fixedly connected to the inner wall of the inner box.

[0009] Preferably, a telescopic rod is fixedly connected to the end of the moving table away from the support table, two electric push rods are fixedly connected to the top of the positioning frame, and the output ends of the two electric push rods are fixedly connected to the ends of the same side telescopic rods away from the moving table.

[0010] Preferably, a bidirectional threaded rod is rotatably connected to the inner wall of the moving platform, a rotating block is fixedly connected to the front of the bidirectional threaded rod, and two clamping plates are threadedly connected to the outer surface of the bidirectional threaded rod. The bottom of the two clamping plates is in contact with the top of the moving platform, and anti-slip textures are provided at the ends of the two clamping plates that are close to each other.

[0011] Preferably, the lifting assembly includes two bidirectional threaded rods, the front and back outer surfaces of the two bidirectional threaded rods are rotatably connected to the inner wall of the inner box, a motor is fixedly connected to the front of the inner box, and the output end of the motor is fixedly connected to the front of the bidirectional threaded rod located on the left side.

[0012] Preferably, both bidirectional threaded rods are fixedly connected to pulleys on their back sides, and the outer surfaces of the two pulleys are connected to a belt for transmission. The two bidirectional threaded rods are arranged symmetrically to the left and right with the center of the inner box as the center point.

[0013] Preferably, the outer surface of the bidirectional threaded rod is threaded with two movable blocks, the top inner walls of the two movable blocks are rotatably connected with rotating rods, the top inner walls of the two rotating rods are rotatably connected with connecting blocks, the tops of the two connecting blocks are fixedly connected with a lifting plate, the left and right sides of the support platform are each provided with two sliding grooves, the inner walls of the four sliding grooves are slidably connected with connecting rods, and the tops of the four connecting rods are fixedly connected to the bottom of the lifting plate on the same side.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This utility model, by setting a positioning component, specifically adjusts the position of the two moving platforms according to the length of the steel plate to be welded, and fixes the steel plate at the center of the top of the moving platform by two clamps. This not only avoids direct contact between personnel and the high-temperature steel plate, effectively preventing burn accidents, but also ensures that the steel plate will not shift during the welding process, laying the foundation for the subsequent installation and performance of the civil defense door.

[0016] 2. This utility model incorporates a lifting component. Specifically, after welding two steel plates, an electric push rod moves the moving table a certain distance, and the motor is activated to move the two lifting plates upward, allowing the steel plates to leave the top of the support platform. This facilitates the removal of the steel plates from the support platform by the operator, reducing the difficulty and labor intensity of removing the parts. Moreover, it can quickly and efficiently lift the steel plates to a suitable position, greatly shortening the time from welding completion to transfer of a single workpiece, improving the production cycle, and contributing to improved overall production efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the bottom structure of the support platform of this utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the connecting frame of this utility model;

[0020] Figure 4 This is a schematic diagram of the overall structure of the mobile platform of this utility model;

[0021] Figure 5 This is a schematic diagram of the overall structure of the lifting plate of this utility model.

[0022] In the diagram: 1. Positioning frame; 11. Inner box; 12. Support platform; 2. Positioning assembly; 21. Moving platform; 22. Connecting frame; 221. Sliding rod; 23. Electric push rod; 231. Telescopic rod; 24. Bidirectional threaded rod one; 241. Rotating block; 242. Clamping plate; 3. Lifting assembly; 31. Bidirectional threaded rod two; 311. Motor; 32. Pulley; 321. Belt; 33. Moving block; 331. Rotating rod; 332. Connecting block; 34. Lifting plate; 341. Connecting rod. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] Example 1, such as Figures 1-5 As shown, a positioning support device for a civil defense door includes a positioning frame 1, an inner box 11 fixedly connected to the inner wall of the positioning frame 1, a support platform 12 fixedly connected to the inner wall of the inner box 11, two positioning components 2 provided on the top of the inner box 11, and a lifting component 3 provided inside the inner box 11.

[0025] Specifically, in order to eliminate the need for workers to manually press down on the steel plate during welding, please refer to... Figure 3 and Figure 4 In this embodiment, the two positioning components 2 are arranged symmetrically to the left and right with the center of the inner box 11 as the center. The positioning component 2 includes a moving platform 21. One end of the moving platform 21 near the center of the inner box 11 is engaged with the outer surface of the support platform 12. Two sliding rods 221 are fixedly connected to the bottom of the moving platform 21. A connecting frame 22 is slidably connected to the outer surface of each of the two sliding rods 221.

[0026] Further reading Figure 3 In this embodiment, the tops of both connecting frames 22 are fixedly connected to the bottom of the support platform 12, and the ends of both connecting frames 22 away from the support platform 12 are fixedly connected to the inner wall of the inner box 11.

[0027] Further reading Figure 3 In this embodiment, a telescopic rod 231 is fixedly connected to the end of the moving platform 21 away from the support platform 12, and two electric push rods 23 are fixedly connected to the top of the positioning frame 1. The output ends of the two electric push rods 23 are fixedly connected to the end of the telescopic rod 231 on the same side away from the moving platform 21.

[0028] Further reading Figure 4 In this embodiment, a bidirectional threaded rod 24 is rotatably connected to the inner wall of the moving platform 21. A rotating block 241 is fixedly connected to the front of the bidirectional threaded rod 24. Two clamping plates 242 are threadedly connected to the outer surface of the bidirectional threaded rod 24. The bottom of the two clamping plates 242 is in contact with the top of the moving platform 21. Anti-slip textures are provided at the ends of the two clamping plates 242 that are close to each other.

[0029] During implementation, when two steel plates need to be welded together, the positions of the two moving platforms 21 are first adjusted according to the required length of the steel plates to be welded. The two electric push rods 23 are then activated to retract the corresponding telescopic rods 231. As the telescopic rods 231 retract, they move the moving platforms 21 away from the support platform 12, ensuring they match the required length of the steel plates to be welded. The two steel plates are then placed on top of the moving platforms 21, and adjustments are made to ensure that the ends of the two steel plates to be welded are in contact with each other on the top of the support platform 12. After the steel plates are placed, the rotating block 241 is rotated clockwise to drive the bidirectional threaded rod. The double-threaded rod 24 rotates within the inner wall of the moving platform 21. As the double-threaded rod 24 rotates, it drives the two clamping plates 242 to move and fix each other on the top of the moving platform 21. When the clamping plate 242 moves to a certain position, the end with anti-slip texture will contact the surface of the steel plate. The two clamping plates 242 can fix the steel plate at the center of the top of the moving platform 21, which not only avoids direct contact between personnel and the high-temperature steel plate, effectively preventing burns, but also ensures that the steel plate will not shift during the welding process, thereby effectively guaranteeing the dimensional accuracy of the door frame and laying the foundation for the subsequent installation and performance of the civil defense door.

[0030] Example 2: This example is based on Example 1, with the addition of a lifting component.

[0031] Specifically, in order to facilitate the removal of the welded steel plate by the workers, please refer to... Figure 2 and Figure 5 In this embodiment, the lifting component 3 includes two bidirectional threaded rods 31. The front and back outer surfaces of the two bidirectional threaded rods 31 are rotatably connected to the inner wall of the inner box 11. A motor 311 is fixedly connected to the front of the inner box 11, and the output end of the motor 311 is fixedly connected to the front of the bidirectional threaded rod 31 located on the left side.

[0032] Further reading Figure 5In this embodiment, the back of each of the two bidirectional threaded rods 31 is fixedly connected to a pulley 32, and the outer surfaces of the two pulleys 32 are connected to a belt 321 for transmission. The two bidirectional threaded rods 31 are arranged symmetrically to the left and right with the center of the inner box 11 as the center.

[0033] Further reading Figure 5 In this embodiment, the outer surface of the bidirectional threaded rod 31 is threaded with two moving blocks 33. The inner top walls of the two moving blocks 33 are rotatably connected with rotating rods 331. The inner top walls of the two rotating rods 331 are rotatably connected with connecting blocks 332. The tops of the two connecting blocks 332 are fixedly connected to a lifting plate 34. The support platform 12 has two sliding grooves on its left and right sides. The inner walls of the four sliding grooves are slidably connected with connecting rods 341. The tops of the four connecting rods 341 are fixedly connected to the bottom of the lifting plate 34 on the same side.

[0034] During implementation, after welding the two steel plates, the steel plates are released from their fixation. Two electric push rods 23 drive the moving table 21 to move away from the support table 12, separating it from the bottom of the steel plate. The motor 311 is turned on, causing the second bidirectional threaded rod 31 to rotate clockwise within the inner wall of the inner box 11. As the second bidirectional threaded rod 31 rotates, it drives another second bidirectional threaded rod 31 to rotate via two pulleys 32 and belt 321. During the rotation of the second bidirectional threaded rod 31, two moving blocks 33 move closer to each other. When the moving blocks 33 move, they drive the rotating rod 331 to rotate. When the rotating rod 331 rotates, it pushes the lifting plate 34 upward via the connecting block 332. After the lifting plate 34 moves a certain distance, it contacts the bottom of the steel plate and pushes it upward away from the top of the support table 12, making it easier for operators to remove the steel plate from the support table. This reduces the difficulty and labor intensity of removing the part and allows the steel plate to be lifted to a suitable position quickly and efficiently, greatly shortening the time from welding completion to transfer of a single workpiece, increasing the production cycle, and improving overall production efficiency.

[0035] The working principle of this utility model is as follows: When two steel plates need to be welded together, firstly, adjust the positions of the two moving platforms 21 according to the required length of the steel plates to be welded. Open the two electric push rods 23 to drive the corresponding telescopic rods 231 to retract. While the telescopic rods 231 retract, they will drive the moving platform 21 to move away from the support platform 12, so that it can meet the required length of the steel plates to be welded. Place the two steel plates on the top of the moving platform 21, and adjust them so that the ends of the two steel plates to be welded can contact each other on the top of the support platform 12. After the steel plates are placed, rotate the rotating block 241 clockwise to drive the bidirectional screw. The threaded rod 24 rotates within the inner wall of the moving platform 21. Simultaneously, the rotation of the threaded rod 24 causes two clamping plates 242 to move and fix together on the top of the moving platform 21. When the clamping plates 242 move to a certain position, the end with the anti-slip texture will contact the surface of the steel plate. The two clamping plates 242 can fix the steel plate at the center of the top of the moving platform 21, not only preventing direct contact between personnel and the high-temperature steel plate, effectively preventing burns, but also ensuring that the steel plate will not shift during welding. This effectively guarantees the dimensional accuracy of the door frame, laying the foundation for the subsequent installation and performance of the civil defense door.

[0036] After welding the two steel plates, the steel plates are released from their fixation. Two electric push rods 23 drive the moving table 21 to move away from the support table 12, separating it from the bottom of the steel plate. The motor 311 is turned on, causing the second bidirectional threaded rod 31 to rotate clockwise in the inner wall of the inner box 11. As the second bidirectional threaded rod 31 rotates, it drives another second bidirectional threaded rod 31 to rotate via two pulleys 32 and belt 321. During the rotation of the second bidirectional threaded rod 31, two moving blocks 33 move closer to each other. When the moving blocks 33 move, they drive the rotating rod 331 to rotate. When the rotating rod 331 rotates, it pushes the lifting plate 34 upward via the connecting block 332. After the lifting plate 34 moves a certain distance, it contacts the bottom of the steel plate and pushes it upward away from the top of the support table 12, making it easier for the operator to remove the steel plate from the support table. This reduces the difficulty and labor intensity of removing the part, and allows the steel plate to be lifted to a suitable position quickly and efficiently. This greatly shortens the time from welding completion to transfer of a single workpiece, increases the production cycle, and helps improve overall production efficiency.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning support device for a civil air defense door, comprising a positioning frame (1), an inner box (11) is fixedly connected to the inner wall of the positioning frame (1), and a support table (12) is fixedly connected to the inner wall of the inner box (11), characterized in that: The inner box (11) top is provided with two positioning components (2), the inner box (11) inside is provided with lifting assembly (3); Two positioning components (2) are provided symmetrically around the center of the inner box (11), the positioning component (2) includes a moving table (21), the moving table (21) is close to the center of the inner box (11) and is clamped with the outer surface of the support table (12), the bottom of the moving table (21) is fixedly connected with two sliding rods (221), the outer surface of the two sliding rods (221) is slidably connected with a connecting frame (22).

2. The positioning support device of the civil defense door according to claim 1, characterized in that: The top of the two connecting frames (22) is fixedly connected with the bottom of the support table (12), and the end of the two connecting frames (22) away from the support table (12) is fixedly connected with the inner wall of the inner box (11).

3. The positioning support device of the civil defense door according to claim 2, characterized in that: The end of the moving table (21) away from the support table (12) is fixedly connected with a telescopic rod (231), and the top of the positioning frame (1) is fixedly connected with two electric push rods (23), and the output ends of the two electric push rods (23) are fixedly connected with the ends of the same side telescopic rod (231) away from the moving table (21).

4. The positioning support device of the civil defense door according to claim 3, characterized in that: The inner wall of the moving table (21) is rotatably connected with a bidirectional threaded rod (24), the front surface of the bidirectional threaded rod (24) is fixedly connected with a rotating block (241), and the outer surface of the bidirectional threaded rod (24) is threadedly connected with two clamping plates (242), the bottom of the two clamping plates (242) is in contact with the top of the moving table (21), and the ends of the two clamping plates (242) away from each other are provided with anti-skid lines.

5. The positioning support device of the civil defense door according to claim 1, characterized in that: The lifting assembly (3) includes two bidirectional threaded rods (31), and the front and back surfaces of the two bidirectional threaded rods (31) are rotatably connected with the inner wall of the inner box (11), the front surface of the bidirectional threaded rod (31) is fixedly connected with a motor (311), and the output end of the motor (311) is fixedly connected with the front surface of the bidirectional threaded rod (31) on the left side.

6. The positioning support device of the civil defense door according to claim 5, characterized in that: The back surface of the two bidirectional threaded rods (31) is fixedly connected with a belt disc (32), the outer surfaces of the two belt discs (32) are commonly connected with a belt (321), and the two bidirectional threaded rods (31) are provided symmetrically around the center of the inner box (11).

7. The positioning support device of a civil defense door according to claim 6, characterized in that: The outer surface of the bidirectional threaded rod (31) is threadedly connected with two moving blocks (33), the top inner wall of the two moving blocks (33) is rotatably connected with a rotating rod (331), the top inner wall of the two rotating rods (331) is rotatably connected with a connecting block (332), the top of the two connecting blocks (332) is commonly fixedly connected with a lifting plate (34), the left and right sides of the support table (12) are provided with two sliding grooves, the inner walls of the four sliding grooves are slidably connected with connecting rods (341), and the top of the four connecting rods (341) is fixedly connected with the bottom of the same side lifting plate (34).

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