Positioning device for civil air defense door welding

Abstract

The utility model discloses a positioning device for civil air defense door welding, which comprises an L-shaped supporting rod A and an L-shaped supporting rod B in sliding fit with the L-shaped supporting rod A. The L-shaped supporting rod A and the L-shaped supporting rod B are connected through an adjusting assembly. A first supporting plate is fixedly connected to the outer wall of the top of the L-shaped supporting rod A. A part clamping structure is arranged on the top face of the first supporting plate. The outer wall of the top of the L-shaped supporting rod B is connected with a second supporting plate through a height adjusting assembly. The height adjusting assembly comprises a vertical rod fixedly connected to the outer wall of the bottom of the second supporting plate, a guide groove formed in one side face of the vertical rod, a second screw fixedly connected to the outer wall of the bottom of the second supporting plate and an adjusting ring rotationally connected to the top end face of an L-shaped supporting rod B; the two side faces of the L-shaped supporting rod B are in sliding fit with the inner walls of the two guide grooves through sliding blocks correspondingly. Welding height positions of two civil air defense door components with different heights can be adjusted according to actual requirements, use is convenient, and welding operation can be conducted smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of welding auxiliary tools, in particular to a positioning device for welding a civil air defense door. Background Art

[0002] A civil air defense door is a kind of protective facility and belongs to the door at the entrance of a people's air defense project. The classification of civil air defense doors is relatively distinct, including various civil air defense devices such as ordinary single and double leaf airtight blast doors and airtight doors, and single and double leaf airtight blast doors and airtight doors with movable thresholds. At present, during the production and manufacturing process of civil air defense doors, various accessories need to be welded and assembled, which requires the use of a positioning device.

[0003] After retrieval, a patent with the Chinese patent application number CN202221728571.3 discloses a welding positioning device for a civil air defense door, including: a welding table with a working space inside and at least four positioning plates arranged on the welding table and capable of forming a rectangular frame; the positioning plate includes a side plate arranged on the outer edge of the welding table, and at least one movable plate for adjusting the width of the rectangular frame, and a door shaft positioning part for welding the door shaft assembly is arranged on the movable plate. When the utility model is used, the plate group of the civil air defense door can be fixed into a regular rectangle through the positioning plate, and a door shaft positioning part is provided for positioning the door shaft, and a movable positioning plate is also provided for producing civil air defense doors of different sizes. The welding positioning device for a civil air defense door in the above patent has the following deficiencies: the sizes of various components involved in the civil air defense door are different. When welding two components with different heights, it is inconvenient to adjust the height positions of the two components, which is not conducive to the smooth progress of the welding operation. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a positioning device for welding a civil air defense door is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A positioning device for welding a civil air defense door includes an L-shaped support rod A and an L-shaped support rod B that forms a sliding fit with the L-shaped support rod A, and the L-shaped support rod A and the L-shaped support rod B are connected by an adjusting component; a support plate one is fixedly connected to the outer wall of the top of the L-shaped support rod A, and a component clamping structure is arranged on the top surface of the support plate one; a support plate two is connected to the outer wall of the top of the L-shaped support rod B through a height adjustment component;

[0007] The height adjustment component includes a vertical rod fixedly connected to the outer wall of the bottom of the support plate two, a guide groove arranged on one side surface of the vertical rod, a second screw fixedly connected to the outer wall of the bottom of the support plate two, and an adjusting ring rotatably connected to the top surface of the L-shaped support rod B.

[0008] As a further solution of the utility model: both side surfaces of the L-shaped support rod B are respectively in sliding fit with the inner walls of the two guide grooves through sliding blocks, the outer wall of the second screw rod is connected with the inner wall of the L-shaped support rod B through threads, and the circumferential inner wall of the adjusting ring is connected with the outer wall of the second screw rod through threads.

[0009] As a further solution of the utility model: the adjusting assembly includes more than two positioning holes arranged at equal intervals on one side surface of the L-shaped support rod A and the L-shaped support rod B, and fasteners inserted into the inner walls of the two positioning holes corresponding to the front and rear positions on the L-shaped support rod A and the L-shaped support rod B.

[0010] As a further solution of the utility model: the component clamping structure includes a motor fixed to one side surface of the support plate through a support plate, a sliding groove arranged on the outer wall of the top of the support plate one, a clamping plate slidably connected to the inner wall of the sliding groove through a slider, and a first screw rod rotatably connected to one side surface of the sliding groove, and the output end of the motor is connected to the input end of the first screw rod through a connecting shaft, and the outer wall of the first screw rod is connected with the inner wall of the slider through threads.

[0011] As a further solution of the utility model: one side surface of the support plate two is provided with an extension structure, and the extension structure is composed of more than two extension plates and adjusting blocks.

[0012] As a further solution of the utility model: the one side edges of two adjacent extension plates are connected through hinges, and the top surfaces of more than two adjusting blocks are respectively rotatably connected to the bottom surfaces of the extension plates and the support plate two through rotating shafts.

[0013] As a further solution of the utility model: the number of the extension plates and the adjusting blocks is the same.

[0014] As a further solution of the utility model: moving seats are fixedly connected to the bottom surfaces of the L-shaped support rod A and the L-shaped support rod B.

[0015] Compared with the prior art, the utility model provides a positioning device for welding a civil air defense door, which has the following beneficial effects:

[0016] 1. For the positioning device for welding a civil air defense door, by setting the height adjustment assembly, holding the adjusting ring and rotating it, the second screw rod is pushed to extend or retract inside and outside the L-shaped support rod B under the drive of the threads, so that the vertical rod is driven to push the support plate two to move up and down, and thus the welding height positions of two civil air defense door components with different heights can be adjusted according to actual needs, which is more convenient to use and is conducive to the smooth progress of the welding operation.

[0017] 2. For the positioning device for welding the civil air defense door, according to the actual width / length of the civil air defense door component to be welded, after adjusting the sliding distance of the outer extension of the spacing between the L-shaped support rod A and the L-shaped support rod B, take the fastener and insert it into the positioning holes on the L-shaped support rod A and the L-shaped support rod B corresponding to the front and rear positions, so as to fix the service length of the L-shaped support rod A and the L-shaped support rod B. Then, according to the spacing between the first support plate or the clamping plate and the second support plate, adjust the length of the overall supporting surface of the second support plate. The adjustment is convenient and can be applied to the auxiliary welding operations of civil air defense door components of various sizes.

[0018] 3. For the positioning device for welding the civil air defense door, start the motor to drive the first screw rod to rotate, and then, under the drive of the thread, make the clamping plate move forward and backward along the chute, so as to adjust the spacing between the clamping plate and the second support plate, and thus can clamp and position the civil air defense door components of different widths to assist the welding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The front view structural schematic diagram of a positioning device for welding a civil air defense door proposed by the present utility model;

[0020] Figure 2 The top view structural schematic diagram of a positioning device for welding a civil air defense door proposed by the present utility model;

[0021] Figure 3 The side view structural schematic diagram of a positioning device for welding a civil air defense door proposed by the present utility model;

[0022] Figure 4 The bottom view structural schematic diagram of the extension plate of a positioning device for welding a civil air defense door proposed by the present utility model.

[0023] In the figure: 1 moving seat, 2 L-shaped support rod A, 3 first support plate, 301 chute, 4 clamping plate, 5 extension plate, 501 adjusting block, 6 second support plate, 7 vertical rod, 701 guiding groove, 8 L-shaped support rod B, 9 positioning hole, 901 fastener, 10 motor, 1001 first screw rod, 11 adjusting ring, 1101 second screw rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0025] Embodiment 1

[0026] A positioning device for welding a civil air defense door, as Figure 1As shown in the figure, it includes an L-shaped support rod A2 and an L-shaped support rod B8 that forms a sliding fit with the L-shaped support rod A2. The L-shaped support rod A2 and the L-shaped support rod B8 are connected by an adjustment assembly. The adjustment assembly includes a number of positioning holes 9 equidistantly opened on one side of the L-shaped support rod A2 and the L-shaped support rod B8, and fasteners 901 inserted into the inner walls of two positioning holes 9 corresponding to the front and rear positions on the L-shaped support rod A2 and the L-shaped support rod B8. According to the usage requirements, after adjusting the spacing extension sliding distance between the L-shaped support rod A2 and the L-shaped support rod B8, take the fastener 901 and insert it into the positioning holes 9 on the L-shaped support rod A2 and the L-shaped support rod B8 corresponding to the front and rear positions, so as to fix the usage lengths of the L-shaped support rod A2 and the L-shaped support rod B8, and the adjustment is convenient.

[0027] Furthermore, moving seats 1 are fixed to the bottom surfaces of the L-shaped support rod A2 and the L-shaped support rod B8 by bolts; so as to push the equipment to move.

[0028] In order to clamp and position the civil air defense door components with different widths according to requirements, as Figures 1-4 shown, a first support plate 3 is fixed to the outer wall of the top of the L-shaped support rod A2 by bolts. A component clamping structure is arranged on the top surface of the first support plate 3. The component clamping structure includes a motor 10 fixed to one side surface of the first support plate 3 by a support plate, a chute 301 opened on the outer wall of the top of the first support plate 3, a clamping plate 4 slidably connected to the inner wall of the chute 301 through a slider, and a first screw rod 1001 rotatably connected to one side surface of the chute 301. The output end of the motor 10 is connected to the input end of the first screw rod 1001 through a connecting shaft, and the outer wall of the first screw rod 1001 is connected to the inner wall of the slider by a thread; start the motor 10 to drive the first screw rod 1001 to rotate, and then drive the clamping plate 4 to move forward and backward along the chute 301 under the drive of the thread, so as to adjust the distance between the clamping plate 4 and the second support plate 6, so as to be able to clamp and position the civil air defense door components with different widths to assist the welding operation.

[0029] Furthermore, a second support plate 6 is arranged on the outer wall of the top of the L-shaped support rod B8. An extension structure is arranged on one side surface of the second support plate 6. The extension structure is composed of a plurality of extension plates 5 and adjustment blocks 501. Among them, one side edges of two adjacent extension plates 5 are connected by hinges, and the top surfaces of a plurality of adjustment blocks 501 are respectively rotatably connected to the bottom surfaces of the extension plates 5 and the second support plate 6 close to the outer extension through rotating shafts;

[0030] Preferably, an adjustment block 501 is not arranged on the bottom surface of one of the extension plates 5 closest to the position of the first support plate 3;

[0031] Preferably, the number of the extension plates 5 is the same as that of the adjustment blocks 501. According to the actual width / length of the civil air defense door component to be welded, first adjust the extension distance between the L-shaped support rod A2 and the L-shaped support rod B8, and then adjust the length of the overall support surface of the second support plate 6 according to the distance between the first support plate 3 or the clamping plate 4 and the second support plate 6. Specifically, adjust the extension plate 5 from the vertical state to the horizontal state, and then rotate the adjustment block 501 in front of it so that it supports the bottom surface of the extension plate 5, as Figure 4 shown. Adjust the orientations of multiple extension plates 5 in sequence according to the foregoing method, which is convenient to operate.

[0032] Working principle: After the equipment is pushed to the use location, according to the use requirements and the actual width / length of the civil air defense door component to be welded, first adjust the distance between the L-shaped support rod A2 and the L-shaped support rod B8, and then take the fastener 901 and insert it into the positioning holes 9 on the L-shaped support rod A2 and the L-shaped support rod B8 corresponding to the front and rear positions, so as to fix the use lengths of the L-shaped support rod A2 and the L-shaped support rod B8. Then adjust the length of the overall support surface of the second support plate 6 according to the distance between the first support plate 3 or the clamping plate 4 and the second support plate 6. Specifically, adjust the extension plate 5 from the vertical state to the horizontal state, and then rotate the adjustment block 501 in front of it so that it supports the bottom surface of the extension plate 5, as Figure 4 shown. Adjust the orientations of multiple extension plates 5 in sequence according to the foregoing method.

[0033] Then place the civil air defense door component to be welded on the first support plate 3 and the second support plate 6, and control the motor 10 to drive the first screw rod 1001 to rotate. Then, under the drive of the thread, the clamping plate 4 moves forward and backward along the sliding groove 301, so as to adjust the distance between the clamping plate 4 and the second support plate 6, so as to clamp and position civil air defense door components with different widths.

[0034] Embodiment 2

[0035] A positioning device for welding a civil air defense door, as Figure 1 and Figure 3As shown in the figure, in order to adjust the use height of the second support plate 6; the following improvements are made on the basis of Embodiment 1 in this embodiment: The outer wall of the top of the L-shaped support rod B8 is connected with the second support plate 6 through a height adjustment component. The height adjustment component includes vertical rods 7 symmetrically and fixedly connected to the outer wall of the bottom of the second support plate 6, guide grooves 701 opened on the opposite sides of the two vertical rods 7, a second screw rod 1101 fixedly connected to the outer wall of the bottom of the second support plate 6, and an adjustment ring 11 rotatably connected to the top surface of the L-shaped support rod B8. The two side surfaces of the L-shaped support rod B8 are respectively in sliding fit with the inner walls of the two guide grooves 701 through sliding blocks. The outer wall of the second screw rod 1101 is connected to the inner wall of the L-shaped support rod B8 through a thread, and the circumferential inner wall of the adjustment ring 11 is connected to the outer wall of the second screw rod 1101 through a thread; hold the adjustment ring 11 and rotate it, and then under the drive of the thread, the second screw rod 1101 is pushed to extend or retract inside and outside the L-shaped support rod B8, so that the vertical rod 7 is driven to push the second support plate 6 to move up and down, and thus the welding height position of the two air defense door components with different heights can be adjusted according to actual needs, which is more convenient to use.

[0036] Working principle: Hold the adjustment ring 11 and rotate it, and then under the drive of the thread, the second screw rod 1101 is pushed to extend or retract inside and outside the L-shaped support rod B8, so that the vertical rod 7 is driven to push the second support plate 6 to move up and down, and thus the welding height position of the two air defense door components with different heights can be adjusted according to actual needs.

[0037] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A positioning device for welding a civil air defense door, comprising an L-shaped support rod A (2) and an L-shaped support rod B (8) which is slidably matched with the L-shaped support rod A (2), characterized in that: The L-shaped support rod A (2) and the L-shaped support rod B (8) are connected via an adjustment assembly; the top outer wall of the L-shaped support rod A (2) is fixedly connected to a support plate 1 (3), and a component clamping structure is provided on the top surface of the support plate 1 (3); the top outer wall of the L-shaped support rod B (8) is connected to a support plate 2 (6) via a height adjustment assembly; The height adjustment assembly comprises a vertical rod (7) fixedly connected to the bottom outer wall of the second support plate (6), a guide groove (701) arranged on a side surface of the vertical rod (7), a second screw rod (1101) fixedly connected to the bottom outer wall of the second support plate (6), and an adjustment ring (11) rotatably connected to the top end surface of the L-shaped support rod B (8).

2. A positioning device for civil air defense door welding according to claim 1, characterized in that: The two side surfaces of the L-shaped support rod B (8) are respectively slidably matched with the inner walls of the two guide grooves (701) through sliding blocks, the outer wall of the second screw rod (1101) is connected to the inner wall of the L-shaped support rod B (8) through threads, and the circumferential inner wall of the adjustment ring (11) is connected to the outer wall of the second screw rod (1101) through threads.

3. A positioning device for civil air defense door welding according to claim 1, characterized in that: The adjustment assembly comprises two or more positioning holes (9) equidistantly arranged on a side surface of an L-shaped support rod A (2) and an L-shaped support rod B (8), and a fastener (901) inserted into the inner walls of two positioning holes (9) corresponding to front and rear positions on the L-shaped support rod A (2) and the L-shaped support rod B (8).

4. A positioning device for civil air defense door welding according to claim 3, characterized in that: The component clamping structure comprises a motor (10) fixed to a side surface of a support plate (3) via a support plate, a slide groove (301) arranged on the outer wall of the top of the support plate (3), a clamping plate (4) slidably connected to the inner wall of the slide groove (301) via a slider, and a first screw rod (1001) rotatably connected to a side surface of the slide groove (301), wherein the output end of the motor (10) is connected to the input end of the first screw rod (1001) via a connecting shaft, and the outer wall of the first screw rod (1001) is connected to the inner wall of the slider via a thread.

5. A positioning device for welding civil air defense doors according to claim 4, characterized in that: A side surface of the second support plate (6) is provided with an extension structure, and the extension structure is composed of more than two extension plates (5) and an adjustment block (501).

6. A positioning device for civil air defense door welding according to claim 5, characterized in that: One side edge of two adjacent extension plates (5) is connected by a hinge, and the top surfaces of the two or more adjustment blocks (501) are rotatably connected to the bottom surfaces of the extension plate (5) and the second support plate (6) respectively by a rotating shaft.

7. A positioning device for civil air defense door welding according to claim 6, characterized in that: The number of the extension plates (5) and the number of the adjustment blocks (501) are the same.

8. A positioning device for civil air defense door welding according to claim 1, characterized in that: The bottom surfaces of the L-shaped support rod A (2) and the L-shaped support rod B (8) are both fixedly connected with a movable seat (1).

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