Angle welding pre-tightness detection tool

Abstract

The utility model discloses a fillet welding pre-tightness detection tool which comprises a working box, an observation window, a vacuum pump, a connecting pipe, a pressure gauge, a limiting rod, a sealing strip, a mounting groove, a plug, a detection box, a sealing ring, a groove, a connecting mechanism, a second sealing ring and a fillet welding piece. The pre-tightness monitoring device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, and the vacuum pump, the connecting pipe and the pressure gauge are arranged so that the whole vacuum treatment can be rapidly and effectively carried out on the interior of the working box cavity, and therefore the pre-tightness can be monitored; according to the utility model, the vacuum state can be rapidly changed into the normal state through the installation groove and the plug when the work box is detected; through the detection box, the sealing ring, the groove and the connecting mechanism, fillet welding can be rapidly and effectively detected.

Description

Technical field:

[0001] The utility model relates to the field of fillet weld pre-tightness detection, in particular to a fillet weld pre-tightness detection tool. Background technology:

[0002] The pre-tightness test is a preliminary tightness inspection of watertight welds. It advances the water pressure and air pressure tests on closed cabins at the dock (slipway) to the small assembly, medium assembly, large assembly or general assembly stage.

[0003] In the prior art, after long-term use, the tooling is prone to leakage, especially at the tight joints, resulting in poor sealing. If the sealing problem of the tooling itself cannot be discovered in time, it is easy to cause inconvenience to the subsequent weld detection. Moreover, during the detection process, if soapy water testing is required, the entire tooling can only be removed, which is very inconvenient to operate. Therefore, a fillet weld pre-tightness detection tool is proposed. Utility model content:

[0004] The purpose of the utility model is to provide a fillet weld pre-tightness detection tool in order to solve the above-mentioned problem, which solves the problem that after the tool is used for a long time in the prior art, leakage is likely to occur, especially at the tight joints, resulting in poor sealing. If the sealing problem of the tool itself cannot be discovered in time, it is easy to cause inconvenience to the subsequent weld detection, and during the detection process, if soapy water testing is required, the entire tool can only be removed, which is very inconvenient to operate.

[0005] In order to solve the above problems, the utility model provides a technical solution: a fillet weld pre-tightness detection tool, comprising a working box, an observation window, a vacuum pump, a connecting pipe, a pressure gauge, a limit rod, a sealing strip, a mounting groove, a plug, a detection box, a sealing ring, a groove, a connecting mechanism, a sealing ring 2 and a fillet weld; an observation window is provided at the center of the front end of the working box; a vacuum pump is provided on the right side of the working box, the input end of the vacuum pump is connected to one end of the connecting pipe, and the other end of the connecting pipe is located in the chamber of the working box; a limit rod is fixedly connected to the upper end of the outer surface of the working box; a sealing strip is fixedly connected to the end wall around the top of the working box; a mounting groove is provided in the lower end wall of the left side of the working box, and a plug is connected to the mounting groove; a detection box is provided above the working box; a sealing ring is provided on the bottom end of the detection box, and a groove is provided at the middle end of the sealing ring; a connecting mechanism is provided at the lower part of the outer surface of the detection box; an opening is provided on the top of the detection box, and a sealing ring 2 is connected around the opening; a fillet weld is connected to the sealing ring 2.

[0006] Preferably, the vacuum pump is an air-cooled Roots vacuum pump.

[0007] Preferably, the sealing strip is connected in a groove of the sealing ring.

[0008] Preferably, the specific structure of the connecting mechanism is: including a connecting shaft, a rotating part and a connecting head; a connecting shaft is provided on the four sides and below the outer surface of the detection box; a rotating part is connected to the connecting shaft; and a connecting head is fixedly connected to the left side of the bottom end of the rotating part.

[0009] Preferably, the rotating member is rotatably connected to the outer surface of the connecting shaft.

[0010] Preferably, the connector is semicircular in shape as a whole.

[0011] Beneficial effects of the utility model:

[0012] (1) The utility model has a reasonable and simple structure, low production cost, convenient installation, and complete functions. Through the provided vacuum pump, connecting pipe, and pressure gauge, the interior of the working box chamber can be quickly and effectively vacuumed as a whole, thereby monitoring the pre-tightness.

[0013] (2) The utility model can quickly change the vacuum state to the normal state when the working box completes the inspection by providing the installation groove and the plug.

[0014] (3) The utility model can quickly and effectively detect and process fillet welds by means of the detection box, sealing ring, groove and connecting mechanism. Description of the drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is an overall schematic diagram of the working box of the utility model.

[0017] Figure 3 It is a bottom schematic diagram of the detection box of the utility model.

[0018] Figure 4 It is a top schematic diagram of the detection box of the utility model.

[0019] 1-working box; 2-observation window; 3-vacuum pump; 4-connecting pipe; 5-pressure gauge; 6-limiting rod; 7-sealing strip; 8-installation groove; 9-plug; 10-detection box; 11-sealing ring; 12-groove; 13-connecting shaft; 14-rotating part; 15-connecting head; 16-sealing ring 2; 17-corner weld. Specific implementation method:

[0020] like Figures 1 to 4As shown, this specific embodiment adopts the following technical scheme: a fillet weld pre-tightness detection tool, including a working box 1, an observation window 2, a vacuum pump 3, a connecting pipe 4, a pressure gauge 5, a limit rod 6, a sealing strip 7, an installation groove 8, a plug 9, a detection box 10, a sealing ring 11, a groove 12, a connecting mechanism, a sealing ring 16 and a fillet weld 17; an observation window 2 is provided at the front center of the working box 1; a vacuum pump 3 is provided on the right side of the working box 1, and the input end of the vacuum pump 3 is connected to one end of the connecting pipe 4, and the other end of the connecting pipe 4 is located inside the chamber of the working box 1; the interior of the working box chamber can be quickly and effectively vacuumed as a whole; the outer surface of the working box 1 A limit rod 6 is fixedly connected at the upper end around; a sealing strip 7 is fixedly connected to the end wall around the top of the working box 1; a mounting groove 8 is provided in the lower end wall on the left side of the working box 1, and a plug 9 is connected to the mounting groove 8; thereby, the vacuum state can be quickly changed to a normal state when the working box is tested; a detection box 10 is provided above the working box 1; a sealing ring 11 is provided on the bottom end of the detection box 10, and a groove 12 is provided at the middle end of the sealing ring 11; a connecting mechanism is provided on the outer surface of the detection box 10 at the lower part around; an opening is provided on the top of the detection box 10, and a sealing ring 16 is connected around the opening; a corner weld 17 is connected to the sealing ring 16.

[0021] The vacuum pump 3 is an air-cooled Roots vacuum pump; the sealing strip 7 is connected to the groove 12 of the sealing ring 11.

[0022] like Figures 1 to 4 As shown, the specific structure of the connecting mechanism is: it includes a connecting shaft 13, a rotating member 14 and a connecting head 15; a connecting shaft 13 is provided on the lower four sides of the outer surface of the detection box 10; the connecting shaft 13 is connected to the rotating member 14; the connecting head 15 is fixedly connected to the left side of the bottom end of the rotating member 14, so that the fillet weld can be quickly and effectively inspected and processed.

[0023] The rotating member 14 is rotatably connected to the outer surface of the connecting shaft 13; and the connecting head 15 is semicircular in shape as a whole.

[0024] The usage status of the utility model is: the utility model has a reasonable and simple structure, low production cost, easy installation, and complete functions. When in use, the detection box 10 is first connected to the limit rod 6 through the connecting shaft 13, the rotating part 14 and the connecting head 15, so that the detection box 10 is completely sealed and connected to the working box 1 through the sealing strip 7, the sealing ring 11 and the groove 12, and then the corner weld 17 is connected to the sealing ring 16, and the vacuum pump 3 is started to make the interior of the chamber of the working box 1 a completely vacuum state. The pre-tightness of the corner weld 17 can be effectively and quickly detected through the set pressure gauge 5.

[0025] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

[0028] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

Claims

1. A fillet weld pre-tightness detection tool, characterized in that: It comprises a working box (1), an observation window (2), a vacuum pump (3), a connecting pipe (4), a pressure gauge (5), a limiting rod (6), a sealing strip (7), a mounting groove (8), a plug (9), a detection box (10), a sealing ring (11), a groove (12), a connecting mechanism, a second sealing ring (16) and a fillet weld (17); An observation window (2) is provided at the center of the front end of the working box (1); A vacuum pump (3) is provided on the right side of the working box (1), an input end of the vacuum pump (3) is connected to one end of a connecting pipe (4), and the other end of the connecting pipe (4) is located inside the chamber of the working box (1); The upper ends of the outer surfaces of the working box (1) are fixedly connected with limit rods (6); Sealing strips (7) are fixedly connected to the end walls around the top of the working box (1); A mounting groove (8) is provided in the lower left end wall of the working box (1), and a plug (9) is connected to the mounting groove (8); A detection box (10) is provided above the working box (1); A sealing ring (11) is provided at the bottom end of the detection box (10), and a groove (12) is provided at the middle end of the sealing ring (11); The outer surface of the detection box (10) is provided with connection mechanisms at the lower part of the four sides; The top of the detection box (10) is provided with an opening, and the four sides of the opening are connected with a second sealing ring (16); The second sealing ring (16) is connected with a fillet weld (17).

2. The fillet weld pre-tightness detection tool according to claim 1 is characterized in that: The vacuum pump (3) is an air-cooled Roots vacuum pump.

3. The fillet weld pre-tightness detection tool according to claim 1 is characterized in that: The sealing strip (7) is connected in the groove (12) of the sealing ring (11).

4. The fillet weld pre-tightness detection tool according to claim 1 is characterized in that: The specific structure of the connecting mechanism is as follows: it comprises a connecting shaft (13), a rotating member (14) and a connecting head (15); The outer surface of the detection box (10) is provided with connecting shafts (13) at the lower part of the four sides; The connecting shaft (13) is connected to a rotating member (14); A connector (15) is fixedly connected to the left side of the bottom end of the rotating member (14).

5. The fillet weld pre-tightness detection tool according to claim 4 is characterized in that: The rotating member (14) is rotatably connected to the outer surface of the connecting shaft (13).

6. The fillet weld pre-tightness detection tool according to claim 4, characterized in that: The connector (15) is semicircular in shape as a whole.

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