Airtightness detection device for manufacturing special equipment

Abstract

The utility model discloses an air tightness detection device for manufacturing special equipment, which comprises a water tank, the back of the water tank is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw rod, and the surface of the screw rod is in threaded connection with a connecting plate. The two sides of the top of the connecting plate are fixedly connected with shells. Through cooperation of the water tank, the connecting frame, the motor, the lead screw, the connecting plate, the shell, a waterproof electric push rod, a clamping plate, a sliding rod, a fixing frame, an air pump, an air inlet pipe, an exhaust pipe, a barometer, a corrugated pipe, a connecting cylinder, a vertical rod, a hollow pipe and a control valve, double detection of air tightness is facilitated, and therefore detection is accurate; the problem that whether the airtightness reaches the standard or not cannot be accurately judged due to the fact that an existing airtightness detection device is single in detection mode during working and prone to inaccurate detection is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of airtight detection, in particular to an airtight detection device for manufacturing special equipment. Background Art

[0002] Special equipment refers to eight categories of equipment that involve life safety and are relatively dangerous, including boilers, pressure vessels (including gas cylinders), pressure pipelines, elevators, lifting machinery, passenger ropeways, large amusement facilities and special motor vehicles within the site (factory).

[0003] Some special equipment, such as gas cylinders, need to be tested for air tightness after production. However, the existing air tightness detection device has a single detection method when working, which is prone to inaccurate detection, making it impossible to accurately judge whether the air tightness meets the standard. For this reason, we propose an air tightness detection device for special equipment manufacturing. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an airtight detection device for special equipment manufacturing, which has the advantage of accurate detection and solves the problem that the existing airtight detection device has a single detection method when working, is prone to inaccurate detection, and thus cannot accurately judge whether the airtightness meets the standard.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an airtight detection device for special equipment manufacturing, comprising a water tank, a connecting frame fixedly connected to the back of the water tank, a motor fixedly connected to the top of the connecting frame, a screw rod fixedly connected to the output end of the motor, a connecting plate threadedly connected to the surface of the screw rod, a shell fixedly connected to the top of the shell, a fixing frame fixedly connected to the top of the fixing frame, an air pump is arranged on the top of the fixing frame, an air intake pipe is connected to the right side of the air pump, an exhaust pipe is connected to the left side of the air pump, a pressure gauge is connected to the top of the exhaust pipe, a bellows is connected to the bottom of the exhaust pipe, and a connecting tube is connected to the bottom of the bellows.

[0006] Preferably, a waterproof electric push rod is fixedly connected to one side of the inner cavity of the shell, and a clamping plate is fixedly connected to one side of the waterproof electric push rod.

[0007] Preferably, a circular hole is opened on one side of the shell, and a sealing ring is fixedly connected to the inner cavity of the circular hole, and the inner cavity of the sealing ring contacts a sliding rod, and one side of the sliding rod is fixedly connected to the clamping plate.

[0008] Preferably, a vertical rod is fixedly connected to one side of the connecting frame, and a surface of the vertical rod is slidably connected to the connecting plate.

[0009] Preferably, the front side of the water tank is connected to a hollow tube, and the right side of the hollow tube is movably connected to a control valve.

[0010] Preferably, a fixing block is fixedly connected to the bottom of the air pump, and the bottom of the fixing block is fixedly connected to the fixing frame.

[0011] Compared with the prior art, the utility model provides an airtight detection device for special equipment manufacturing, which has the following beneficial effects:

[0012] 1. The utility model facilitates double detection of air tightness through the coordination of a water tank, a connecting frame, a motor, a screw rod, a connecting plate, a shell, a waterproof electric push rod, a splint, a sliding rod, a fixing frame, an air pump, an air inlet pipe, an exhaust pipe, a barometer, a bellows, a connecting tube, a vertical rod, a hollow tube and a control valve, thereby making the detection accurate and solving the problem that the existing air tightness detection device has a single detection mode during operation, is prone to inaccurate detection, and is unable to accurately judge whether the air tightness meets the standard.

[0013] 2. The utility model provides a waterproof electric push rod and a clamping plate to facilitate the limiting of the material, so that the material is stable during detection. The vertical rod is provided to stabilize the operation of the connecting plate and provide a balanced support for the connecting plate. The hollow pipe and the control valve are provided to facilitate the discharge of water, thereby facilitating the replacement of water in the water tank cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the utility model in a top view when the shell is in a cut-away state.

[0017] In the figure: 1. water tank; 2. connecting frame; 3. motor; 4. screw rod; 5. connecting plate; 6. housing; 7. waterproof electric push rod; 8. clamping plate; 9. sliding rod; 10. fixing frame; 11. air pump; 12. air inlet pipe; 13. exhaust pipe; 14. pressure gauge; 15. bellows; 16. connecting tube; 17. vertical rod; 18. hollow tube; 19. control valve. Implementation

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-3 A gas tightness detection device for special equipment manufacturing includes a water tank 1, a connecting frame 2 is fixedly connected to the back of the water tank 1, a motor 3 is fixedly connected to the top of the connecting frame 2, a screw rod 4 is fixedly connected to the output end of the motor 3, a connecting plate 5 is threadedly connected to the surface of the screw rod 4, a shell 6 is fixedly connected to both sides of the top of the connecting plate 5, a fixing frame 10 is fixedly connected to the top of the shell 6, an air pump 11 is arranged on the top of the fixing frame 10, an air intake pipe 12 is connected to the right side of the air pump 11, an exhaust pipe 13 is connected to the left side of the air pump 11, a pressure gauge 14 is connected to the top of the exhaust pipe 13, a bellows 15 is connected to the bottom of the exhaust pipe 13, and a connecting tube 16 is connected to the bottom of the bellows 15.

[0022] Through the above technical scheme: the material is placed on the central axis of the top of the connecting plate 5, and then the connecting tube 16 is plugged into the air inlet tube of the material, and then the gas is discharged into the inner cavity of the material through the cooperation of the air pump 11, the air inlet pipe 12, the exhaust pipe 13, the bellows 15 and the connecting tube 16, and then the barometer 14 is observed. After the pressure value reaches the detection value, the air pump 11 is stopped, and then the motor 3 drives the screw rod 4 to rotate, and the screw rod 4 drives the connecting plate 5 to move, so that the material drops. After the connecting tube 16 enters the water, observe whether there are bubbles on the water surface and observe whether the air pressure value decreases, so as to judge whether the air tightness meets the standard.

[0023] A waterproof electric push rod 7 is fixedly connected to one side of the inner cavity of the shell 6 , and a clamping plate 8 is fixedly connected to one side of the waterproof electric push rod 7 .

[0024] Through the above technical solution: by arranging the waterproof electric push rod 7 and the clamping plate 8, it is convenient to limit the material so that the material is stable during detection.

[0025] A circular hole is opened on one side of the housing 6 , and a sealing ring is fixedly connected to the inner cavity of the circular hole, and a sliding rod 9 is contacted to the inner cavity of the sealing ring, and one side of the sliding rod 9 is fixedly connected to the clamping plate 8 .

[0026] A vertical rod 17 is fixedly connected to one side of the connecting frame 2 , and a surface of the vertical rod 17 is slidably connected to the connecting plate 5 .

[0027] Through the above technical solution, by providing the vertical rod 17, the operation of the connecting plate 5 is stabilized, and the connecting plate 5 is supported in a balanced manner.

[0028] The front of the water tank 1 is connected to a hollow pipe 18 , and the right side of the hollow pipe 18 is movably connected to a control valve 19 .

[0029] Through the above technical solution: by providing the hollow tube 18 and the control valve 19, it is convenient to discharge the water, thereby facilitating the replacement of the water in the inner cavity of the water tank 1.

[0030] A fixing block is fixedly connected to the bottom of the air pump 11 , and the bottom of the fixing block is fixedly connected to the fixing frame 10 .

[0031] The working principle of the utility model is: place the material at the central axis of the top of the connecting plate 5, then plug the connecting tube 16 with the air inlet tube of the material, and then discharge the gas into the inner cavity of the material through the cooperation of the air pump 11, the air inlet pipe 12, the exhaust pipe 13, the bellows 15 and the connecting tube 16, and then observe the barometer 14. After the pressure value reaches the detection value, stop the work of the air pump 11, and then drive the screw rod 4 to rotate through the motor 3, and the screw rod 4 drives the connecting plate 5 to move, so that the material drops. After the connecting tube 16 enters the water, observe whether there are bubbles on the water surface and observe whether the air pressure value decreases, so as to judge whether the air tightness meets the standard.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An airtightness detection device for special equipment manufacturing, comprising a water tank (1), characterized in that: The back of the water tank (1) is fixedly connected to a connecting frame (2), the top of the connecting frame (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a screw rod (4), the surface of the screw rod (4) is threadedly connected to a connecting plate (5), both sides of the top of the connecting plate (5) are fixedly connected to a housing (6), the top of the housing (6) is fixedly connected to a fixing frame (10), an air pump (11) is arranged on the top of the fixing frame (10), the right side of the air pump (11) is connected to an air intake pipe (12), the left side of the air pump (11) is connected to an exhaust pipe (13), the top of the exhaust pipe (13) is connected to a pressure gauge (14), the bottom of the exhaust pipe (13) is connected to a bellows (15), and the bottom of the bellows (15) is connected to a connecting tube (16).

2. The airtightness detection device for special equipment manufacturing according to claim 1, characterized in that: A waterproof electric push rod (7) is fixedly connected to one side of the inner cavity of the housing (6), and a clamping plate (8) is fixedly connected to one side of the waterproof electric push rod (7).

3. The airtightness detection device for special equipment manufacturing according to claim 2 is characterized in that: A circular hole is opened on one side of the shell (6), and a sealing ring is fixedly connected to the inner cavity of the circular hole, and the inner cavity of the sealing ring contacts a sliding rod (9), and one side of the sliding rod (9) is fixedly connected to the clamping plate (8).

4. The airtightness detection device for special equipment manufacturing according to claim 1, characterized in that: A vertical rod (17) is fixedly connected to one side of the connecting frame (2), and a surface of the vertical rod (17) is slidably connected to the connecting plate (5).

5. The airtightness detection device for special equipment manufacturing according to claim 1, characterized in that: The front side of the water tank (1) is connected to a hollow pipe (18), and the right side of the hollow pipe (18) is movably connected to a control valve (19).

6. The airtightness detection device for special equipment manufacturing according to claim 1, characterized in that: A fixing block is fixedly connected to the bottom of the air pump (11), and the bottom of the fixing block is fixedly connected to the fixing frame (10).

Images