Manufacturing tool for rotary suspension arm of manhole cover of pressure vessel

Abstract

The utility model discloses a tool for manufacturing a rotary suspension arm of a manhole cover of a pressure vessel, which comprises a supporting mechanism and a clamping mechanism, the supporting mechanism comprises two supporting frames, the outer walls of the tops of the supporting frames are fixedly connected with reinforcing ribs, and the two ends of the supporting frames are symmetrically and fixedly connected with inclined frames; the limiting mechanism comprises sliding plates which are slidably connected to the outer wall of the top of the supporting frame at equal intervals and located on the two sides of the reinforcing ribs, second limiting holes are formed in the outer wall of the top of the supporting frame and located on the two sides of the reinforcing ribs at equal intervals, and the outer walls of the tops of the sliding plates are in threaded connection with second limiting rods corresponding to the second limiting holes. A supporting rod is hinged to the outer wall of the sliding plate, a positioning hole is formed in the outer wall of the top of the sliding plate, and a positioning rod, an adjusting mechanism and a moving mechanism corresponding to the positioning hole are slidably connected to the outer wall of the supporting rod. The device has the advantages that the weldment can be limited through the two supporting rods, and the probability that the weldment deviates during welding is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of the manufacture of rotating jibs, in particular to a manufacturing tool for a rotating jib of a manhole cover of a pressure vessel. Background Technique

[0002] During oil refining production, pressure vessels are common equipment for storing and reacting various chemical substances. The rotating jib of the manhole cover of a pressure vessel is a device for opening and closing the manhole cover of a pressure vessel. It flips the manhole cover through a rotating mechanism to facilitate personnel to enter and exit the container for maintenance and repair.

[0003] When the existing manufacturing tool for the rotating jib of a manhole cover of a pressure vessel is in use, the workpiece to be welded is generally placed on a support frame for welding of components. However, this support method only places the workpiece to be welded on the support frame, and it is easy for the workpiece to shift during welding, requiring adjustment of the welding position and reducing the welding efficiency. Therefore, it is necessary to provide a manufacturing tool for the rotating jib of a manhole cover of a pressure vessel that can limit the workpiece during welding. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a manufacturing tool for a rotating jib of a manhole cover of a pressure vessel to solve the problem proposed in the above background technique that when the existing manufacturing tool for the rotating jib of a manhole cover of a pressure vessel is in use, the workpiece to be welded is generally placed on a support frame for welding of components. However, this support method only places the workpiece to be welded on the support frame, and it is easy for the workpiece to shift during welding, requiring adjustment of the welding position and reducing the welding efficiency.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a manufacturing tool for a rotating jib of a manhole cover of a pressure vessel, including:

[0007] A support mechanism, the support mechanism includes two support frames, a reinforcing rib is fixedly connected to the outer wall of the top of the support frame, and inclined frames are symmetrically and fixedly connected to both ends of the support frame;

[0008] A limiting mechanism, the limiting mechanism includes sliding plates that are equidistantly and slidably connected to the outer wall of the top of the support frame and are located on both sides of the reinforcing rib. Second limiting holes are equidistantly opened on the outer wall of the top of the support frame on both sides of the reinforcing rib. A second limiting rod corresponding to the second limiting hole is threadedly connected to the outer wall of the top of the sliding plate. A support rod is hinged to the outer wall of the sliding plate. A positioning hole is opened on the outer wall of the top of the sliding plate. A positioning rod corresponding to the positioning hole is slidably connected to the outer wall of the support rod.

[0009] Further, it further includes an adjusting mechanism, and the adjusting mechanism includes a fixed rod fixedly connected to the outer wall of one side of the support frame and an adjusting rod fixed to the outer wall of the other side of the support frame;

[0010] Further, the adjusting rod is slidably connected to the outer wall of the top of the fixed rod, a plurality of first limiting holes are equidistantly formed in the outer wall of the adjusting rod, and a first limiting rod corresponding to the first limiting holes is threadedly connected to the inner wall of the fixed rod;

[0011] Further, it further includes a moving mechanism, and the moving mechanism includes mounting grooves equidistantly formed in the outer wall of the bottom of the support frame, and telescopic rods are threadedly connected to the inner walls of the two mounting grooves;

[0012] Further, a universal wheel is fixedly connected to the end of the telescopic rod, the height of the universal wheel is less than the height of the inner wall of the mounting groove, air cylinders are fixedly connected to the inner walls of the two mounting grooves, and a support pad is fixedly connected to the movable end of the air cylinder;

[0013] Further, sliding grooves are symmetrically formed in the outer wall of the support frame, a synchronous frame is slidably connected to the outer wall of the sliding groove, and the outer wall of the synchronous frame is fixedly connected to the outer wall of the support pad;

[0014] Compared with the prior art, the advantages of the present utility model are as follows:

[0015] First, in the present utility model, the positioning rod in the positioning hole is removed, the support rod is rotated until it contacts the outer wall of the support frame, the workpiece to be welded is moved to the reinforcing rib through the inclined frame, the second limiting rod is removed, the two sliding plates are moved until they contact both sides of the welding, then the second limiting rod is installed in the second limiting hole to limit the sliding plates, after the support rod is rotated to be perpendicular to the sliding plates, the positioning rod is installed in the positioning hole to limit the support rod, and the workpiece is limited by the two support rods, reducing the probability of the workpiece shifting during welding.

[0016] Second, based on the first beneficial effect, the adjusting rod is slid on the fixed rod, and after sliding to a suitable position, the first limiting rod is installed in the first limiting hole to adjust the distance between the two support frames. When the whole device needs to be moved, the air cylinder is opened to drive the support pad on the same side to move synchronously to contact the ground and lift the whole device through the synchronous frame, and then the movable end of the telescopic rod is rotated in the fixed end of the telescopic rod to make the universal wheel extend out to contact the ground, improving the stable support for workpieces of different lengths and facilitating the movement of the whole device. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 Schematic diagram of the overall structure of the present utility model Figure 1 ;

[0019] Figure 2 Schematic diagram of the overall structure of the present utility model Figure 2 ;

[0020] Figure 3 Schematic diagram of the support frame structure of the present utility model;

[0021] Figure 4 As shown in the present utility model Figure 2 Enlarged view of location A;

[0022] Figure 5 Schematic diagram of the support rod structure of the present utility model.

[0023] In the drawings, the list of components represented by each reference numeral is as follows:

[0024] 101, support frame; 102, reinforcing rib; 103, inclined frame; 201, fixed rod; 202, adjusting rod; 203, first limiting rod; 204, first limiting hole; 301, mounting groove; 302, telescopic rod; 303, universal wheel; 304, cylinder; 305, support pad; 306, chute; 307, synchronous frame; 401, second limiting hole; 402, sliding plate; 403, second limiting rod; 404, support rod; 405, positioning rod. Detailed implementation manners

[0025] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe the detailed implementation manners of the present utility model in conjunction with the drawings.

[0026] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific implementation manners disclosed below.

[0027] In order to make the purpose, technical solution and advantages of the present utility model clearer, the following will further describe the implementation manners of the present utility model in conjunction with the drawings in detail.

[0028] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] Please refer to Figures 1-5 As shown, this embodiment is a manufacturing tooling for the rotating jib of a pressure vessel manhole cover, including:

[0030] A support mechanism, which includes two support frames 101. The outer wall of the top of the support frame 101 is fixedly connected with a reinforcing rib 102, and the two ends of the support frame 101 are symmetrically and fixedly connected with inclined frames 103;

[0031] The reinforcing rib 102 is supported by the support frame 101, the welded part is supported by the reinforcing rib 102, and the loading and unloading of the welded part is facilitated by the inclined frame 103;

[0032] A limiting mechanism, which includes sliding plates 402 that are equidistantly and slidably connected to the outer wall of the top of the support frame 101 and are located on both sides of the reinforcing rib 102. Second limiting holes 401 are equidistantly opened on the outer wall of the top of the support frame 101 on both sides of the reinforcing rib 102. The outer wall of the top of the sliding plate 402 is threadedly connected with a second limiting rod 403 corresponding to the second limiting hole 401. A support rod 404 is hinged to the outer wall of the sliding plate 402. A positioning hole is opened on the outer wall of the top of the sliding plate 402, and a positioning rod 405 corresponding to the positioning hole is slidably connected to the outer wall of the support rod 404;

[0033] The support rod 404 is driven by the sliding plate 402 to move along the support frame 101. The sliding plate 402 is limited by inserting the second limiting rod 403 into the second limiting hole 401. The support rod 404 is limited by inserting the positioning rod 405 into the positioning hole. The welded part is limited by the two support rods 404;

[0034] Working principle: Remove the positioning rod 405 in the positioning hole and rotate the support rod 404 until it contacts the outer wall of the support frame 101. Move the welded part to be processed to the reinforcing rib 102 through the inclined frame 103. Remove the second limiting rod 403 and move the two sliding plates 402 until they contact both sides of the weld. Then, install the second limiting rod 403 in the second limiting hole 401 to limit the sliding plate 402. After rotating the support rod 404 to make it perpendicular to the sliding plate 402, install the positioning rod 405 in the positioning hole to limit the support rod 404;

[0035] In this step, the welded part is limited by two support rods 404 to reduce the probability of the welded part shifting during welding.

[0036] Please refer to Figures 1-5 As shown in the figure, on the basis of the above-mentioned Embodiment 1, this embodiment further includes:

[0037] An adjusting mechanism, which includes a fixed rod 201 fixedly connected to the outer wall of one side support frame 101 and an adjusting rod 202 fixed to the outer wall of one side support frame 101;

[0038] The adjusting rod 202 is supported by the fixed rod 201;

[0039] The adjusting rod 202 is slidably connected to the outer wall of the top of the fixed rod 201. A first limiting hole 204 is equidistantly opened on the outer wall of the adjusting rod 202, and a first limiting rod 203 corresponding to the first limiting hole 204 is threadedly connected to the inner wall of the fixed rod 201;

[0040] The distance between the two support frames 101 is adjusted by sliding the adjusting rod 202 on the fixed rod 201, and the adjusting rod 202 is limited after the first limiting rod 203 is installed in the first limiting hole 204;

[0041] A moving mechanism, which includes mounting grooves 301 equidistantly opened on the outer wall of the bottom of the support frame 101, and telescopic rods 302 are threadedly connected to the inner walls of the two mounting grooves 301;

[0042] The telescopic rod 302 and the cylinder 304 are installed through the mounting groove 301;

[0043] The end of the telescopic rod 302 is fixedly connected with a universal wheel 303. The height of the universal wheel 303 is less than the height of the inner wall of the mounting groove 301. The inner walls of the two mounting grooves 301 are fixedly connected with a cylinder 304, and the movable end of the cylinder 304 is fixedly connected with a support pad 305;

[0044] The universal wheel 303 is driven to move by the telescopic rod 302. The cylinder 304 is opened to drive the support pad 305 to move along the chute 306 through the synchronous frame 307, and the whole device is lifted by the support pad 305;

[0045] Chutes 306 are symmetrically opened on the outer wall of the support frame 101. A synchronous frame 307 is slidably connected to the outer wall of the chute 306, and the outer wall of the synchronous frame 307 is fixedly connected to the outer wall of the support pad 305;

[0046] Working principle: Slide the adjusting rod 202 on the fixed rod 201. After sliding to the appropriate position, install the first limiting rod 203 in the first limiting hole 204 to adjust the distance between the two support frames 101. When the whole device needs to be moved, open the cylinder 304 to drive the same-side support pad 305 to move synchronously through the synchronous frame 307 to contact the ground and lift the whole device. Then, rotate the movable end of the telescopic rod 302 in the fixed end of the telescopic rod 302 so that the universal wheel 303 extends out to contact the ground;

[0047] This step improves the stable support for workpieces of different lengths and facilitates the movement of the whole device.

[0048] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0049] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manufacturing tooling for a rotating jib of a manhole cover of a pressure vessel, characterized in that, Comprising: A support mechanism, the support mechanism includes two support frames (101), a reinforcing rib (102) is fixedly connected to the outer wall of the top of the support frame (101), and inclined frames (103) are symmetrically and fixedly connected to both ends of the support frame (101); A limiting mechanism, the limiting mechanism includes sliding plates (402) that are equidistantly slidably connected to the outer wall of the top of the support frame (101) and are located on both sides of the reinforcing rib (102). Second limiting holes (401) are equidistantly opened on the outer wall of the top of the support frame (101) on both sides of the reinforcing rib (102). A second limiting rod (403) corresponding to the second limiting hole (401) is threadedly connected to the outer wall of the top of the sliding plate (402). A support rod (404) is hinged to the outer wall of the sliding plate (402). A positioning hole is opened on the outer wall of the top of the sliding plate (402). A positioning rod (405) corresponding to the positioning hole is slidably connected to the outer wall of the support rod (404).

2. The manufacturing tooling for the rotary jib of a pressure vessel manhole cover according to claim 1, characterized in that, It further includes an adjusting mechanism, the adjusting mechanism includes a fixed rod (201) fixedly connected to the outer wall of one side of the support frame (101) and an adjusting rod (202) fixed to the outer wall of the other side of the support frame (101).

3. The manufacturing tooling for the rotary jib of a pressure vessel manhole cover according to claim 2, characterized in that, The adjusting rod (202) is slidably connected to the outer wall of the top of the fixed rod (201). First limiting holes (204) are equidistantly opened on the outer wall of the adjusting rod (202). A first limiting rod (203) corresponding to the first limiting hole (204) is threadedly connected to the inner wall of the fixed rod (201).

4. The manufacturing tooling for the rotating jib of the manhole cover of a pressure vessel according to claim 1, characterized in that, It further includes a moving mechanism, the moving mechanism includes mounting grooves (301) equidistantly opened on the outer wall of the bottom of the support frame (101). Two telescopic rods (302) are threadedly connected to the inner walls of the mounting grooves (301).

5. The manufacturing tooling for the rotating jib of a pressure vessel manhole cover according to claim 4, characterized in that, The end of the telescopic rod (302) is fixedly connected to a universal wheel (303). The height of the universal wheel (303) is less than the height of the inner wall of the mounting groove (301). Two cylinders (304) are fixedly connected to the inner walls of the mounting grooves (301). A support pad (305) is fixedly connected to the movable end of the cylinder (304).

6. The manufacturing tooling for the rotary jib of a pressure vessel manhole cover according to claim 1, characterized in that, Chute grooves (306) are symmetrically opened on the outer wall of the support frame (101). A synchronous frame (307) is slidably connected to the outer wall of the chute groove (306). The outer wall of the synchronous frame (307) is fixedly connected to the outer wall of the support pad (305).

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