Pressure-bearing special equipment inspection device

Abstract

The utility model relates to an inspection device for pressure-bearing special equipment, which comprises a base, a moving plate is slidably connected onto the base, electric push rods are fixedly connected onto the base and the moving plate, and piston rods of the electric push rods are fixedly connected with a first positioning plate and a second positioning plate respectively. Limiting rings are fixedly connected to the exteriors of the first positioning plate and the second positioning plate, gas conveying pipes are fixedly connected to the interiors of the limiting rings, valves are installed on the exteriors of the gas conveying pipes, a linear motion assembly used for driving the movable plate to move is arranged on the base, and a top base is further arranged above the base. According to the utility model, air pressure detection can be carried out after the two ends of the pipeline are pressed against and sealed through the first positioning plate and the positioning plate, and in addition, through the arrangement of the inclined plate, when the inclined plate moves downwards, the two ends of the pipeline can be pressed against and clamped, so that the pipeline is kept stable in the detection process.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection equipment, in particular to an inspection device for special equipment under pressure. Background Technique

[0002] A pipeline is a device connected by pipes, pipe connectors, valves, etc. for transporting gases, liquids, or fluids with solid particles, and it is extremely widely used in various industries such as industry, life, and medicine. As a special equipment, a pressure pipeline needs to be subjected to compressive strength inspection before being put into formal use.

[0003] After retrieval, a Chinese patent with the publication number of CN 219935531 U discloses a pressure pipeline strength detection mechanism, which includes a support plate. On both sides of the top of the support plate, side plates are fixedly installed. In the middle of the front side of the support plate, a box body is fixedly installed, and a pipeline is placed on the top of the support plate; Push rod motors are fixedly installed on the outer sides of the two side plates.

[0004] In this patent, only the two ends of the pipeline are abutted by sealing plate a and sealing plate b, and no other clamping mechanisms are designed. Therefore, during the detection, if the support plate shakes accidentally, the pipeline will be unstable. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an inspection device for special equipment under pressure.

[0006] The technical solution adopted by the utility model is: an inspection device for special equipment under pressure, which includes a base. A moving plate is slidably connected to the base. Electric push rods are fixedly connected to both the base and the moving plate. The piston rods of the electric push rods are respectively fixedly connected to a first positioning plate and a second positioning plate. Limiting rings are fixedly connected to the outsides of the first positioning plate and the second positioning plate. An air delivery pipe is fixedly connected in the limiting ring. A valve is installed outside the air delivery pipe. A linear motion component for driving the moving plate to move is provided on the base. A top seat is also provided above the base. Slant plates are provided at the four surrounding of the bottom of the base. A linear adjustment component for driving the base to move vertically is also provided on the base.

[0007] In one embodiment, a sliding groove is provided on the base, and a sliding block is slidably connected in the sliding groove. The sliding block is fixedly connected to the moving plate.

[0008] In one embodiment, the linear motion component includes an installation groove provided on the base and a threaded rod rotatably connected in the installation groove. A motor is fixedly connected to the outside of the base. The driving shaft of the motor is fixedly connected to the threaded rod. A nut block is threadedly connected to the outside of the threaded rod. The nut block is fixedly connected to the moving plate.

[0009] In one embodiment, the linear adjustment component is a hydraulic cylinder fixedly connected to the base, and the piston rod of the hydraulic cylinder is fixedly connected to the top seat.

[0010] In one embodiment, a double-acting cylinder is also fixedly connected to the top seat. The piston rods of the double-acting cylinder are both fixedly connected with connecting plates. A push post is fixedly connected to the outside of the connecting plate, and the end of the push post is fixedly connected to the inclined plate.

[0011] In one embodiment, through holes are provided at the positions of the inclined plates corresponding to the base.

[0012] The beneficial effects of the present utility model are as follows: Compared with the prior art, in the present utility model, after the two ends of the pipeline are abutted and sealed by the first positioning plate and the positioning plate, the air pressure detection can be carried out. In addition, through the setting of the inclined plate, when the inclined plate moves downward, the two ends of the pipeline can be abutted and clamped, so that the pipeline can be kept stable during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a three-dimensional structural diagram of the present utility model;

[0015] Figure 3 is a schematic structural diagram of the top seat in the present utility model;

[0016] Figure 4 is a schematic structural diagram of the base in the present utility model.

[0017] The labels in the figure are: 1. Base; 2. Slide groove; 3. Installation groove; 4. Threaded rod; 5. Motor; 6. First positioning plate; 7. Moving plate; 8. Second positioning plate; 9. Limit ring; 10. Air delivery pipe; 11. Through hole; 12. Hydraulic cylinder; 13. Top seat; 14. Double-acting cylinder; 15. Connecting plate; 16. Push post; 17. Inclined plate; 18. Nut block; 19. Slide block; 20. Electric push rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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 should not be construed as a limitation to the present utility model.

[0019] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" 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 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 utility model can be understood according to specific circumstances.

[0020] The following will further illustrate the present utility model in conjunction with the attached Figures 1-4 drawings.

[0021] In order to solve the problems existing in the background art, the present application proposes the following technical solution: A pressure-bearing special equipment inspection device, including a base 1, a moving plate 7 is slidably connected to the base 1, electric push rods 20 are fixedly connected to both the base 1 and the moving plate 7, the piston rods of the electric push rods 20 are respectively fixedly connected to a first positioning plate 6 and a second positioning plate 8. By adjusting the heights of the first positioning plate 6 and the second positioning plate 8 respectively through the two electric push rods 20, when facing pressure pipes with different diameters, the ends of the pressure pipes can be made to correspond to the first positioning plate 6 and the second positioning plate 8.

[0022] In a further design, limiting rings 9 are fixedly connected to the outsides of both the first positioning plate 6 and the second positioning plate 8. The limiting plates are sealing rubber pads. An air delivery pipe 10 is fixedly connected in the limiting ring 9. The air delivery pipe 10 is connected to the output end of an air pump arranged outside. The air pump is provided with a pressure gauge for observing the pressure, and a valve is installed outside the air delivery pipe 10 for opening and closing.

[0023] Among them, a linear motion component for driving the moving plate 7 to move is provided on the base 1. Above the base 1, there is also a top seat 13. Slant plates 17 are provided around the bottom of the base 1. A linear adjustment component for driving the base 1 to move vertically is also provided on the base 1.

[0024] Specifically, a sliding groove 2 is provided on the base 1, a slider 19 is slidably connected in the sliding groove 2, the slider 19 is fixedly connected to the moving plate 7. The linear motion component includes a mounting groove 3 provided on the base 1 and a threaded rod 4 rotatably connected in the mounting groove 3. A motor 5 is fixedly connected to the outside of the base 1, the driving shaft of the motor 5 is fixedly connected to the threaded rod 4, a nut block 18 is threadedly connected to the outside of the threaded rod 4, the nut block 18 is fixedly connected to the moving plate 7. The motor 5 drives the threaded rod 4 to rotate, making the threaded rod 4 drive the nut block 18 to move, and the nut block 18 drives the moving plate 7 to move, thereby completing the distance adjustment.

[0025] Specifically, the linear adjustment component is a hydraulic cylinder 12 fixedly connected to the base 1. The piston rod of the hydraulic cylinder 12 is fixedly connected to the top seat 13. In addition, a double-axial cylinder 14 is also fixedly connected to the top seat 13. The piston rods of the double-axial cylinder 14 are both fixedly connected with connecting plates 15. A push column 16 is fixedly connected to the outside of the connecting plate 15. The end of the push column 16 is fixedly connected to the inclined plate 17. In order to facilitate the passage of the inclined plate 17, through holes 11 are provided at the positions of the inclined plate 17 on the base 1 corresponding to it.

[0026] For those skilled in the art to fully understand the technical solution, the following is an overview of this embodiment:

[0027] During use, place the pressure pipeline on the base 1, and then adjust the length of the moving plate 7 according to the length of the pressure pipeline. The specific steps are as follows: Start the motor 5 to drive the threaded rod 4 to rotate, so that the threaded rod 4 drives the nut block 18 to move, and the nut block 18 drives the moving plate 7 to move, thereby completing the distance adjustment. Continuously adjust to make the first positioning plate 6 and the second positioning plate 8 respectively contact and seal the two ends of the pressure pipeline. Adjust the top seat 13 to move downward through the hydraulic cylinder 12, and then fix the two sides of the pressure pipeline by the inclined plate 17. Then, send gas into the air delivery pipe 10 through the air pump to maintain a certain pressure, and then check whether there is a change in the pressure in the air pump to judge the pressure-bearing performance of the pressure pipeline.

[0028] The standard parts used in this utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure-bearing special equipment inspection device, characterized in that, It includes a base (1), a moving plate (7) is slidably connected to the base (1), electric push rods (20) are fixedly connected to both the base (1) and the moving plate (7), piston rods of the electric push rods (20) are respectively fixedly connected to a first positioning plate (6) and a second positioning plate (8), limiting rings (9) are fixedly connected to the outsides of the first positioning plate (6) and the second positioning plate (8), an air delivery pipe (10) is fixedly connected in the limiting rings (9), a valve is installed outside the air delivery pipe (10), a linear motion assembly for driving the moving plate (7) to move is provided on the base (1), a top seat (13) is further provided above the base (1), inclined plates (17) are provided at the four circumferences of the bottom of the base (1), and a linear adjustment assembly for driving the base (1) to move vertically is provided on the base (1).

2. The inspection device for pressure-bearing special equipment according to claim 1, characterized in that, A chute (2) is provided on the base (1), a slider (19) is slidably connected in the chute (2), and the slider (19) is fixedly connected to the moving plate (7).

3. The inspection device for pressure-bearing special equipment according to claim 2, wherein, The linear motion assembly includes a mounting groove (3) provided on the base (1) and a threaded rod (4) rotatably connected in the mounting groove (3), a motor (5) is fixedly connected to the outside of the base (1), a driving shaft of the motor (5) is fixedly connected to the threaded rod (4), a nut block (18) is threadedly connected to the outside of the threaded rod (4), and the nut block (18) is fixedly connected to the moving plate (7).

4. A pressure-bearing special equipment inspection device according to claim 3, characterized in that, The linear adjustment assembly is a hydraulic cylinder (12) fixedly connected to the base (1), and a piston rod of the hydraulic cylinder (12) is fixedly connected to the top seat (13).

5. The inspection device for pressure-bearing special equipment according to claim 4, characterized in that, A double-acting cylinder (14) is further fixedly connected to the top seat (13), piston rods of the double-acting cylinder (14) are both fixedly connected to a connecting plate (15), a push column (16) is fixedly connected to the outside of the connecting plate (15), and an end of the push column (16) is fixedly connected to the inclined plate (17).

6. The inspection device for pressure-bearing special equipment according to claim 5, characterized in that Through holes (11) are provided at positions corresponding to the inclined plates (17) on the base (1).

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