An automatic transfer and sealing device for water pressure testing seamless gas cylinders

Abstract

The utility model discloses an automatic transfer and sealing device for water pressure testing of seamless gas cylinders, comprising a frame, a lifting mechanism connected to a movable frame body slidably mounted on a guide column of the frame, the movable frame body connected to a water jacket gland, the bottle mouth of the seamless gas cylinder is hoisted at the bottom center of the water jacket gland, the water jacket is fixed in an inner hole of a frame bottom plate, and a water jacket sealing ring is embedded on the end face of the water jacket; a rotary clamping cylinder is evenly distributed on the frame bottom plate; a control device drives the lifting mechanism to seal the water jacket gland on the end face of the water jacket, and the pressure head on the cylinder rod of the rotary clamping cylinder is pressed on the water jacket gland, and the seamless gas cylinder is sealed in the water jacket for testing. The advantages are: the water jacket gland is automatically and tightly pressed on the end face of the water jacket for sealing, and the pressure head of the rotary clamping cylinder presses the water jacket gland to seal again, so that a sealed space is formed in the water jacket after double-layer sealing, the structure is simple, the degree of automation is high, labor is saved, and the operation is safe.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless gas cylinder detection, in particular to an automatic transfer and sealing device for water pressure detection of seamless gas cylinders. Background Art

[0002] In order to ensure the safe use of seamless gas cylinders, in accordance with national requirements, seamless gas cylinders must be strictly inspected before use. The existing technology generally uses an external measurement method water pressure test device to detect the elastic deformation and plastic deformation of the bottle body. The external measurement method water pressure test device requires a larger open space to place the seamless gas cylinder. The seamless gas cylinder is manually moved and connected to the rotary tightening device. The rotary tightening device and the seamless gas cylinder are then lifted by a lifting equipment and transferred to the water jacket together. The seamless gas cylinder is then manually sealed in the water jacket for testing. The above-mentioned single-bottle inspection work requires multiple operators to complete, resulting in the existing water pressure test device not only occupying a large space, but also being prone to shaking during the transfer of seamless gas cylinders. Not only does it pose a safety hazard to the operator, but it also has the defect of low production efficiency. Therefore, people are eager to have an automatic transfer and sealing device for water pressure testing of seamless gas cylinders, so that the detection can be achieved quickly and with a high degree of automation to replace manual operation. Summary of the invention

[0003] The utility model aims to overcome the defects of the prior art and provide a device for automatically transferring and sealing seamless gas cylinders for water pressure detection, which is driven by a control device to automatically transfer the hoisted seamless gas cylinders into the water jacket and automatically seal the water jacket, and has small footprint, safe operation and high production efficiency.

[0004] The technical solution to solve the above technical problems is: an automatic transfer and sealing device for water pressure testing seamless gas cylinders, comprising a frame, guide pillars are symmetrically arranged on the left and right sides of the frame, a frame bottom plate is arranged at the lower part of the frame, a lifting mechanism connected to a control device is arranged on one side of the frame, the lifting mechanism is connected to a mobile frame body located in the frame, the left and right sides of the mobile frame body are slidably mounted on the guide pillars, a water jacket gland is connected to the bottom of the mobile frame body, the bottle mouth of the seamless gas cylinder is hoisted at the bottom center of the water jacket gland, the water jacket located directly below the seamless gas cylinder is fixed in the inner hole of the frame bottom plate, and the open end surface of the water jacket protruding from the plane of the frame bottom plate is inlaid with a water jacket sealing ring; more than two rotary clamping cylinders are evenly installed on the upper plane outside the inner hole of the frame bottom plate; under the drive of the control device, the lifting mechanism transfers the water jacket gland and the seamless gas cylinder on the mobile frame body into the water jacket, the water jacket gland seals on the end surface of the water jacket, and the pressure head on the cylinder rod of the rotary clamping cylinder presses on the water jacket gland to seal the seamless gas cylinder in the water jacket for testing.

[0005] The preferred solution is: the lifting mechanism includes a lifting frame, and the lifting frame is composed of a horizontal bending plate and a vertical bending plate bent at right angles; a part of the bottom surface of the horizontal bending plate is fixed to the top of the frame, and a guide wheel is installed on the top surface of the horizontal bending plate; a lifting cylinder is provided at the lower end of the vertical bending plate, and a guide moving wheel is installed at the end of the piston rod of the lifting cylinder, and one end of the wire rope is connected to the top hook of the mobile frame body and then passes around the guide wheel and the guide moving wheel and is fixed to the other part of the bottom surface of the horizontal bending plate.

[0006] The preferred solution is that the movable frame body is composed of a plurality of horizontally spaced cross frames and a plurality of vertically spaced column bodies, the upper ends of the plurality of column bodies are connected to the bottom of the top cross frame body on the top surface of the movable frame body, the lower ends of the plurality of column bodies are connected to the top surface of the water jacket pressure cover, the left and right ends of the top cross frame body are respectively connected to guide sleeves, the guide sleeves are respectively slidably fitted on the guide columns, and a hook connected to a lifting mechanism is provided on the top surface of the top cross frame body.

[0007] The preferred solution is: a lower part of a rotating sealing sleeve protrudes from the center of the bottom of the water jacket pressure cover, and the external threaded end of the lower part of the rotating sealing sleeve is screwed and sealed to the bottle mouth of the hoisted seamless gas cylinder, and the upper part of the rotating sealing sleeve is connected to a tightening and sealing power source, and the tightening and sealing power source is arranged in the mobile frame body. Under the drive of the control device, the tightening and sealing power source drives the rotating sealing sleeve to tighten and seal in the bottle mouth of the seamless gas cylinder.

[0008] The beneficial effects of the utility model are as follows: the utility model is widely used for water pressure detection of seamless gas cylinders such as oxygen cylinders, nitrogen cylinders, hydrogen, natural gas and fire cylinders. Under the drive of the control device (not shown), the lifting mechanism drives the water jacket gland and the seamless gas cylinder on the mobile frame body to move into the water jacket, and the water jacket gland is automatically and tightly pressed on the water jacket end face sealing ring for sealing; at the same time, the control device drives the cylinder rod of the rotary clamping cylinder to rotate 90°, so that the pressure head on the cylinder rod moves to the top of the water jacket gland, and then the cylinder rod of the rotary clamping cylinder moves downward so that the pressure head on the cylinder rod presses the water jacket gland to seal again. After the utility model realizes double-layer sealing, a sealed space is formed in the water jacket, laying a foundation for the future external measurement method water pressure test detection device to realize full automation operation. The utility model has a simple structure, a high degree of automation, high centering and positioning accuracy, labor saving, and safe operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is the front view of the utility model, showing that the lifting mechanism on the frame hoists the seamless gas cylinder at the bottom of the water jacket gland and is sealed in the water jacket;

[0010] Figure 2 yes Figure 1 The AA view in the figure shows that the pressure heads of the four rotary clamping cylinders are pressed against the water jacket gland to seal the water jacket;

[0011] Figure 3 yes Figure 1 The enlarged view of part B in the figure shows the structure and position of the movable frame body, and the structure of the sealing part of the water jacket and the water jacket gland.

[0012] Description of the serial numbers in the attached drawings:

[0013] 1: seamless gas cylinder; 2: lifting mechanism; 4: lifting frame; 4a: horizontal bending plate; 4b: vertical bending plate; 5: guide wheel; 6: guide moving wheel; 7: lifting cylinder; 8: wire rope; 9: moving frame body; 9a: top cross frame body; 9d: column body; 10: guide sleeve; 18: rotating sealing sleeve; 20: water jacket pressure cover; 22: water jacket; 27: hook; 28: rotary clamping cylinder; 29: water jacket sealing ring; 100: frame; 100a: guide column; 100b: frame bottom plate. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments.

[0015] like Figure 1 , Figure 2 As shown, the utility model discloses an automatic transfer and sealing device for water pressure detection of seamless gas cylinders, the structure of which includes a frame 100, guide pillars 100a are symmetrically arranged on the left and right sides of the frame 100, and a frame bottom plate 100b is arranged at the lower part of the frame 100; a lifting mechanism 2 connected to a control device (not shown) is arranged on one side of the frame 100, the lifting mechanism 2 is connected to a mobile frame body 9 located in the frame 100, the left and right sides of the mobile frame body 9 are slidably mounted on the guide pillars 100a, a water jacket pressure cap 20 is connected to the bottom of the mobile frame body 9, and the bottle mouth of the seamless gas cylinder 1 is hoisted at the bottom center of the water jacket pressure cap 20, and the position The water jacket 22 directly below the seamless gas cylinder 1 is fixed in the inner hole of the frame bottom plate 100b, and the open end face of the water jacket 22 protruding from the upper plane of the frame bottom plate 100b is inlaid with a water jacket sealing ring 29; four rotary clamping cylinders 28 are evenly installed on the upper plane outside the inner hole of the frame bottom plate 100b; under the drive of the control device, the lifting mechanism 2 moves the water jacket gland 20 and the seamless gas cylinder 1 on the mobile frame body 9 into the water jacket 22, and the water jacket gland 20 is sealed on the end face of the water jacket 22, and the pressure head on the cylinder rod of the rotary clamping cylinder 28 presses on the water jacket gland 20 to seal the seamless gas cylinder 1 in the water jacket 22 for detection.

[0016] like Figure 1As shown, the lifting mechanism 2 includes a lifting frame 4, and the lifting frame 4 is composed of a horizontal bending plate 4a and a vertical bending plate 4b bent at right angles; a part of the bottom surface of the horizontal bending plate 4a is fixed to the top of the frame 100, and two guide wheels 5 are installed on the top surface of the horizontal bending plate 4a; a lifting cylinder 7 is provided at the lower end of the vertical bending plate 4b, and a guide moving wheel 6 is installed at the end of the piston rod of the lifting cylinder 7, and one end of the wire rope 8 is connected to the top hook 27 of the mobile frame body 9 and then passes around the guide wheel 5 and the guide moving wheel 6 and is fixed to another part of the bottom surface of the horizontal bending plate 4a.

[0017] like Figure 3 As shown, the movable frame body 9 is composed of a plurality of horizontally spaced cross frames and a plurality of vertically spaced column bodies 9d, the upper ends of the plurality of column bodies 9d are connected to the bottom of the top cross frame body 9a on the top surface of the movable frame body 9, the lower ends of the plurality of column bodies 9d are connected to the top surface of the water jacket pressure cover 20, the left and right ends of the top cross frame body 9a are respectively connected to the guide sleeves 10, the guide sleeves 10 are respectively slidably fitted on the guide columns 100a, and a hook 27 connected to the lifting mechanism 2 is provided on the top surface of the top cross frame body 9a.

[0018] The bottom center of the water jacket pressure cover 20 is protruded with the lower part of the rotating sealing sleeve 18, and the external threaded end of the lower part of the rotating sealing sleeve 18 is screwed and sealed to the bottle mouth of the seamless gas cylinder 1 for hoisting. The upper part of the rotating sealing sleeve 18 is connected to a tightening and sealing power source (not shown in the figure), and the tightening and sealing power source (not shown in the figure) is arranged in the movable frame body 9. Under the drive of the control device (not shown in the figure), the tightening and sealing power source drives the rotating sealing sleeve 18 to be screwed and sealed in the bottle mouth of the seamless gas cylinder 1.

[0019] The following is a description of the workflow of the utility model:

[0020] Driven by the control device (not shown in the figure), the lifting mechanism 2 drives the water jacket gland 20 and the seamless gas cylinder 1 on the mobile frame body 9 to move into the water jacket 22, and the water jacket gland 20 automatically and tightly presses on the water jacket sealing ring 29 on the end face of the water jacket 22 for sealing; at the same time, when the water jacket gland 20 descends to above the water jacket 22, the rotary clamping cylinder 28 is driven by the control device (not shown in the figure), and the cylinder rod of the rotary clamping cylinder 28 rotates 90° to move the pressure head on the cylinder rod to above the water jacket gland 20, and then the cylinder rod of the rotary clamping cylinder 28 moves downward to make the pressure head on the cylinder rod press the water jacket gland 20, and driven by the control device, the water jacket gland 20 automatically and tightly presses the end face of the water jacket 22 for sealing, and then the rotary clamping cylinder 28 presses the water jacket gland 20 again for secondary sealing, so that a sealed space is formed in the water jacket 22, and the water pressure of the seamless gas cylinder 1 can be tested.

Claims

1. An automatic transfer and sealing device for water pressure testing seamless gas cylinders, comprising a frame (100), characterized in that: Guide pillars (100a) are symmetrically arranged on the left and right sides of the frame (100), a frame bottom plate (100b) is arranged at the bottom of the frame (100), a lifting mechanism (2) connected to a control device is arranged on one side of the frame (100), the lifting mechanism (2) is connected to a movable frame body (9) located in the frame (100), the left and right sides of the movable frame body (9) are slidably mounted on the guide pillars (100a), a water jacket gland (20) is connected to the bottom of the movable frame body (9), the bottle mouth of the seamless gas cylinder (1) is hoisted at the bottom center of the water jacket gland (20), and the water jacket (22) located directly below the seamless gas cylinder (1) is fixed to the frame bottom plate (100). b) in the inner hole, the open end face of the water jacket (22) protruding from the upper plane of the frame bottom plate (100b) is inlaid with a water jacket sealing ring (29); more than two rotary clamping cylinders (28) are evenly installed on the upper plane outside the inner hole of the frame bottom plate (100b); under the drive of the control device, the lifting mechanism (2) moves the water jacket gland (20) and the seamless gas cylinder (1) on the movable frame body (9) into the water jacket (22), the water jacket gland (20) is sealed on the end face of the water jacket (22), and the pressure head on the cylinder rod of the rotary clamping cylinder (28) is pressed on the water jacket gland (20), so that the seamless gas cylinder (1) is sealed in the water jacket (22) for detection.

2. According to the automatic transfer and sealing device for water pressure detection seamless gas cylinders as described in claim 1, it is characterized in that: The lifting mechanism (2) comprises a lifting frame (4), wherein the lifting frame (4) is composed of a horizontal bending plate (4a) and a vertical bending plate (4b) bent at right angles; a portion of the bottom surface of the horizontal bending plate (4a) is fixed to the top of the frame (100), and a guide wheel (5) is installed on the top surface of the horizontal bending plate (4a); a lifting cylinder (7) is provided at the lower end of the vertical bending plate (4b), and a guide moving wheel (6) is installed at the end of the piston rod of the lifting cylinder (7); one end of the steel wire rope (8) is connected to the top hook (27) of the movable frame body (9), and then passes around the guide wheel (5) and the guide moving wheel (6) to be fixed to another portion of the bottom surface of the horizontal bending plate (4a).

3. The automatic transfer and sealing device for water pressure testing seamless gas cylinders according to claim 1 is characterized in that: The movable frame body (9) is composed of a plurality of horizontally spaced cross-frame bodies and a plurality of vertically spaced column bodies (9d), the upper ends of the plurality of column bodies (9d) are connected to the bottom of a top cross-frame body (9a) on the top surface of the movable frame body (9), the lower ends of the plurality of column bodies (9d) are connected to the top surface of a water jacket gland (20), the left and right ends of the top cross-frame body (9a) are respectively connected to guide sleeves (10), the guide sleeves (10) are respectively slidably mounted on the guide columns (100a), and a hook (27) connected to a lifting mechanism (2) is provided on the top surface of the top cross-frame body (9a).

4. According to the automatic transfer and sealing device of the water pressure detection seamless gas cylinder as described in claim 1, it is characterized in that: The bottom center of the water jacket gland (20) is protruded with a lower portion of a rotary sealing sleeve (18); the external threaded end of the lower portion of the rotary sealing sleeve (18) is screwed and sealed to the mouth of a seamless gas cylinder (1) for hoisting; the upper portion of the rotary sealing sleeve (18) is connected to a screwing and sealing power source; the screwing and sealing power source is arranged in the movable frame body (9); under the drive of the control device, the screwing and sealing power source drives the rotary sealing sleeve (18) to be screwed and sealed in the mouth of the seamless gas cylinder (1).

Images