Pressure pipeline pressure resistance inspection equipment

Abstract

The utility model discloses pressure pipeline pressure resistance inspection equipment, which comprises a roller line arranged along the horizontal direction, a cross beam fixedly arranged right above the roller line, a lifting framework arranged between the cross beam and the roller line, and the lifting framework is of an inverted U-shaped structure; a fixed shaft set and a sliding shaft set are installed at the opening end of the bottom of the lifting framework, the fixed shaft set is fixedly connected with the lifting framework in the horizontal direction, and the sliding shaft set is slidably connected with the lifting framework in the horizontal direction. The opposite inner ends of the fixed shaft set and the sliding shaft set are each provided with a top plate arranged in the vertical direction, the opposite inner sides of the top plates are each fixedly connected with a sealing gasket, and joints are fixedly installed in the top plates and the sealing gaskets at the ends of the fixed shaft set. According to the pressure pipeline pressure-resistant inspection equipment provided by the utility model, pipe bodies on a production line can be randomly or regularly sampled for pressure-resistant inspection, the inspection flexibility is improved, automatic feeding and discharging of the pipe bodies to be inspected are realized before and after inspection, and the pressure-resistant inspection operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of pressure pipeline pressure test equipment, belong to the technical field of testing equipment. BACKGROUND

[0002] Pressure pipeline pressure test is an important link to ensure the safe operation of pipeline system, and pressure test method includes water pressure test, gas pressure test and ultrasonic nondestructive testing. Water pressure test is to fill water into the pipeline and pressurize to detect whether there is leakage or damage in the pipeline. Gas pressure test is to fill inert gas into the pipeline and pressurize to detect whether there is leakage or deformation in the pipeline. Ultrasonic nondestructive testing is to detect the material, wall thickness and internal defects of the pipeline by ultrasonic waves.

[0003] The pressure pipeline pressure test equipment in the prior art is various, such as patent No. CN202322672683.2 discloses a kind of pressure pipeline pressure test equipment, patent No. CN202020105249.X discloses a kind of pressure pipeline pressure test device, and patent No. CN202223488345.5 discloses a kind of pressure test device.

[0004] According to the technical solutions disclosed in the above patent documents, it is believed that the following technical problems still exist in practice:

[0005] Before and after testing, the feeding and discharging process of the pipe to be tested is inconvenient, and often needs manual assistance for feeding and discharging. It is not convenient to randomly or regularly sample the pipe on the production line for pressure test, and the flexibility of testing is poor.

[0006] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. CONTENT OF THE UTILITY MODEL

[0007] The utility model provides a kind of pressure pipeline pressure test equipment according to the deficiencies in the background art, pipe on production line can be randomly or regularly sampled for pressure test, improve the flexibility of testing, and realize the automatic feeding and discharging of the pipe to be tested before and after testing, which is convenient for pressure test operation.

[0008] To solve the above technical problems, the utility model adopts the following technical solutions:

[0009] The pressure pipeline pressure test equipment comprises a roller line arranged in a horizontal direction, a cross beam fixedly arranged above the roller line, a lifting frame installed between the cross beam and the roller line, and the lifting frame has an inverted U-shaped structure.

[0010] A fixed shaft group and a sliding shaft group are installed at the bottom opening end of the lifting frame. The fixed shaft group is fixedly connected with the lifting frame in a horizontal direction, and the sliding shaft group is slidingly connected with the lifting frame in a horizontal direction.

[0011] The top plate is arranged in a vertical direction on the opposite inner ends of the fixed shaft group and the sliding shaft group, and a sealing pad is fixedly connected to the inner side of the top plate.

[0012] Further, a linear slide rail arranged in a vertical direction is fixedly connected to each of the two ends of the cross beam along the length direction, and a sliding block is slidably connected to the inner side of each of the two linear slide rails.

[0013] Further, two longitudinal hydraulic cylinders arranged side by side are fixedly connected to the top of the cross beam.

[0014] Further, the longitudinal hydraulic cylinders are arranged downward, and the head of the longitudinal hydraulic cylinder is connected to the sliding block.

[0015] Further, the thickness of the top plate and the sealing pad is less than the gap width between adjacent rollers of the roller line.

[0016] Further, a connecting plate is fixedly connected to the end of the sliding shaft group away from the top plate.

[0017] Further, a horizontal transverse hydraulic cylinder is arranged in the sliding shaft group.

[0018] Further, the head of the transverse hydraulic cylinder is connected to the connecting plate, and the tail of the transverse hydraulic cylinder is connected to the lifting frame.

[0019] Further, the sliding shaft group comprises two sliding shafts arranged in an up-down direction, and a linear bearing is arranged on the main body of each of the sliding shafts.

[0020] Compared with the prior art, the above technical scheme has the following advantages:

[0021] In the utility model, the roller line steps the pipe body along the transverse direction, the longitudinal hydraulic cylinder is extended to make the two sealing pads descend synchronously to the two ends of the pipe body, then the two ends of the pipe body are sealed through the cooperation of the two sealing pads, then the pipe body is lifted by the longitudinal hydraulic cylinder, and after the lifting, the pipe body is subjected to the liquid filling or air filling pressure test, after the pressure test, the pipe body is placed back on the roller line by the longitudinal hydraulic cylinder for continuous conveying.

[0022] The utility model can randomly or regularly sample the pipe body on the production line for the pressure test, improve the flexibility of the test, and realize the automatic feeding and discharging of the pipe body to be tested before and after the test, and facilitate the pressure test operation.

[0023] The utility model will be described in detail below with reference to the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the structural schematic diagram of the utility model;

[0025] Figure 2 is the schematic diagram of the internal structure of the lifting frame.

[0026] In the figure, 1-roller line, 2-lifting frame, 3-crossbeam, 4-sliding block, 5-linear slide rail, 6-longitudinal hydraulic cylinder, 7-fixed shaft group, 8-sliding shaft group, 9-top plate, 10-sealing gasket, 11-joint, 12-transverse hydraulic cylinder, 13-connection plate, 14-linear bearing, 15-tube body. DETAILED DESCRIPTION

[0027] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.

[0028] As Figure 1 and Figure 2 It is shown in the utility model that a pressure pipeline pressure resistance inspection equipment is provided, which comprises a roller line 1 arranged along the horizontal direction, the roller line 1 is used for the transverse conveying of a tube body 15, a crossbeam 3 is fixedly arranged above the roller line 1, a lifting frame 2 is installed between the crossbeam 3 and the roller line 1, and the lifting frame 2 is in inverted U-shaped structure.

[0029] One linear slide rail 5 arranged along the vertical direction is fixedly connected to each end of the crossbeam 3 along the length direction, the opposite inner sides of the two linear slide rails 5 are respectively provided with sliding blocks 4 in sliding connection therewith, and the sliding blocks 4 are fixedly connected to the two ends of the lifting frame 2.

[0030] Two longitudinal hydraulic cylinders 6 arranged side by side are fixedly installed above the crossbeam 3, the longitudinal hydraulic cylinders 6 are arranged downward, the head portions of the longitudinal hydraulic cylinders 6 are connected with the sliding blocks 4, and the synchronous movement of the two longitudinal hydraulic cylinders 6 provides power source for the movement of the lifting frame 2 along the linear slide rails 5.

[0031] A fixed shaft group 7 and a sliding shaft group 8 are installed at the bottom opening end of the lifting frame 2, the fixed shaft group 7 is fixedly connected with the lifting frame 2 along the horizontal direction, and the sliding shaft group 8 is slidingly connected with the lifting frame 2 along the horizontal direction.

[0032] The opposite inner ends of the fixed shaft group 7 and the sliding shaft group 8 are both provided with a top plate 9 arranged along the vertical direction, the opposite inner sides of the top plate 9 are both fixedly connected with sealing gaskets 10, and the sealing gaskets 10 are used for plugging the end portions of the tube body 15 during the pressure resistance inspection.

[0033] The sum of the thicknesses of the top plate 9 and the sealing pad 10 is less than the gap width between adjacent rollers of the roller line 1, and the bottom ends of the top plate 9 and the sealing pad 10 can enter the gap between adjacent rollers of the roller line 1 during the descending process.

[0034] The end of the sliding shaft group 8 away from the top plate 9 is fixedly provided with a connecting plate 13, and the connecting plate 13 connects the end portions of the sliding shaft group 8.

[0035] The sliding shaft group 8 is internally provided with a horizontally arranged transverse hydraulic cylinder 12, the head of the transverse hydraulic cylinder 12 is connected with the connecting plate 13, and the tail of the transverse hydraulic cylinder 12 is connected with the lifting frame 2. The transverse hydraulic cylinder 12 drives the side top plate 9 and the sealing pad 10 to move through the sliding shaft group 8, so as to clamp and seal the pipe body 15.

[0036] The sliding shaft group 8 comprises two sliding shafts arranged in an up-down mode, and linear bearings 14 are respectively sleeved on the main bodies of the sliding shafts, the linear bearings 14 are fixedly connected in the lifting frame 2, and the stability of the sliding shaft group 8 during the horizontal movement is ensured through the linear bearings 14.

[0037] The top plate 9 and the sealing pad 10 at the end of the fixed shaft group 7 are internally fixedly provided with a joint 11, and the joint 11 is used for filling liquid or gas into the pipe body 15 to pressurize during the pressure resistance test.

[0038] The specific working principle of the utility model is as follows:

[0039] The roller line 1 stepwisely transports a plurality of pipe bodies 15 along the transverse direction; the longitudinal hydraulic cylinder 6 extends to drive the lifting frame 2 to descend, so that the two sealing pads 10 are synchronously descended to the two ends of the pipe body 15, then the transverse hydraulic cylinder 12 is retracted to drive one of the sealing pads 10 to move transversely, and finally the two sealing pads 10 are cooperated to seal the two ends of the pipe body 15; then the longitudinal hydraulic cylinder 6 lifts the pipe body 15, and the roller line 1 continues to transport the remaining pipe bodies 15 transversely; after the pipe body 15 is lifted, the joint 11 fills liquid or gas into the pipe body 15 to perform the pressure resistance test; after the pressure resistance test is completed, the longitudinal hydraulic cylinder 6 drives the lifting frame 2 to descend, so that the pipe body 15 is repositioned on the roller line 1 to continue to be transported.

[0040] The above is the example of the best implementation mode of the utility model, wherein the parts not described in detail are the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A pressure pipe pressure test apparatus, characterized by: The application relates to a horizontal roller line (1) provided with a fixed beam (3) above the roller line (1), a lifting frame (2) installed between the roller line (1) and the beam (3), and the lifting frame (2) being in an inverted U-shaped structure. A fixed shaft group (7) and a sliding shaft group (8) are installed at the bottom opening end of the lifting frame (2), the fixed shaft group (7) is fixedly connected with the lifting frame (2) in the horizontal direction, and the sliding shaft group (8) is slidingly connected with the lifting frame (2) in the horizontal direction. The opposite inner ends of the fixed shaft group (7) and the sliding shaft group (8) are provided with top plates (9) arranged in the vertical direction, the opposite inner sides of the top plates (9) are fixedly connected with sealing pads (10), and the top plate (9) and the sealing pad (10) at the end of the fixed shaft group (7) are fixedly installed with joints (11).

2. The pressure piping pressure testing apparatus of claim 1, wherein: The beam (3) is provided with a linear slide rail (5) arranged in the vertical direction at each end along the length direction, the opposite inner sides of the two linear slide rails (5) are provided with sliding blocks (4) slidingly connected therewith, and the sliding blocks (4) are fixedly connected to the two ends of the lifting frame (2).

3. The pressure pipe pressure testing apparatus of claim 2, wherein: The beam (3) is provided with two longitudinal hydraulic cylinders (6) arranged side by side and fixedly installed above the beam (3).

4. The pressure pipe pressure testing apparatus of claim 3, wherein: The longitudinal hydraulic cylinder (6) is arranged downward, and the head of the longitudinal hydraulic cylinder (6) is connected with the sliding block (4).

5. The pressure pipe pressure testing apparatus of claim 1, wherein: The thickness sum of the top plate (9) and the sealing pad (10) is smaller than the gap width between adjacent rollers of the roller line (1).

6. The pressure pipe pressure testing apparatus of claim 1, wherein: The end of the sliding shaft group (8) away from the top plate (9) is fixedly installed with a connecting plate (13) for fixing the end of the sliding shaft group (8).

7. The pressure pipe pressure testing apparatus of claim 1, wherein: The sliding shaft group (8) is internally provided with a horizontal transverse hydraulic cylinder (12).

8. The pressure pipe pressure testing apparatus of claim 7, wherein: The head of the transverse hydraulic cylinder (12) is connected with the connecting plate (13), and the tail of the transverse hydraulic cylinder (12) is connected with the lifting frame (2).

9. The pressure pipe pressure testing apparatus of claim 1, wherein: The sliding shaft group (8) comprises two sliding shafts arranged in the up-down direction, linear bearings (14) are respectively sleeved on the main bodies of the sliding shafts, and the linear bearings (14) are fixedly connected in the lifting frame (2).

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